Explore topic-wise InterviewSolutions in Chemistry.

This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your Chemistry knowledge and support exam preparation. Choose a topic below to get started.

201.

What are some example of irreversible reactions​

Answer» <html><body><p><strong>Answer:</strong></p><p>Fuel + O2 → CO2 + <a href="https://interviewquestions.tuteehub.com/tag/h2o-479118" style="font-weight:bold;" target="_blank" title="Click to know more about H2O">H2O</a>. In a <a href="https://interviewquestions.tuteehub.com/tag/complete-423576" style="font-weight:bold;" target="_blank" title="Click to know more about COMPLETE">COMPLETE</a> <a href="https://interviewquestions.tuteehub.com/tag/combustion-13975" style="font-weight:bold;" target="_blank" title="Click to know more about COMBUSTION">COMBUSTION</a> <a href="https://interviewquestions.tuteehub.com/tag/reaction-22747" style="font-weight:bold;" target="_blank" title="Click to know more about REACTION">REACTION</a>, fuel and oxygen are the reactants and the products are carbon dioxide and water. These two products cannot react to <a href="https://interviewquestions.tuteehub.com/tag/reform-1181805" style="font-weight:bold;" target="_blank" title="Click to know more about REFORM">REFORM</a> the fuel and oxygen, so the reaction is irreversible.</p><p><strong>Explanation:</strong></p><p>Your answer</p><p></p><p></p><h2>Hope it helps you</h2></body></html>
Discussion
202.

8 Pyridine is an example of compounds, a 7-membered ring b) 6-membered ring c) 8-membered ring d) 5-membered ring​

Answer» <html><body><p><strong>Explanation:</strong></p><p>8 <a href="https://interviewquestions.tuteehub.com/tag/pyridine-1173468" style="font-weight:bold;" target="_blank" title="Click to know more about PYRIDINE">PYRIDINE</a> is an <a href="https://interviewquestions.tuteehub.com/tag/example-978283" style="font-weight:bold;" target="_blank" title="Click to know more about EXAMPLE">EXAMPLE</a> of <a href="https://interviewquestions.tuteehub.com/tag/compounds-927010" style="font-weight:bold;" target="_blank" title="Click to know more about COMPOUNDS">COMPOUNDS</a>, a 7-membered <a href="https://interviewquestions.tuteehub.com/tag/ring-1189545" style="font-weight:bold;" target="_blank" title="Click to know more about RING">RING</a></p></body></html>
Discussion
203.

एलिसाइक्लिक अम्ल को समझाइए ​

Answer» <html><body><p><strong><a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a>:</strong></p><p>आक्सैलिक अम्ल (<a href="https://interviewquestions.tuteehub.com/tag/oxalic-2906163" style="font-weight:bold;" target="_blank" title="Click to know more about OXALIC">OXALIC</a> <a href="https://interviewquestions.tuteehub.com/tag/acid-847491" style="font-weight:bold;" target="_blank" title="Click to know more about ACID">ACID</a>) पोटैसियम और कैल्सियम लवण के रूप में बहुत से पौधों में पाया जाता है। लकड़ी के बुरादे से क्षार के साथ २४०° से २५०° सें. के बीच गरम करके आक्सैलिक अम्ल, (<a href="https://interviewquestions.tuteehub.com/tag/cooh-409857" style="font-weight:bold;" target="_blank" title="Click to know more about COOH">COOH</a>)<a href="https://interviewquestions.tuteehub.com/tag/2-283658" style="font-weight:bold;" target="_blank" title="Click to know more about 2">2</a>, बनाया जा सकता है। इस प्रतिक्रिया में सेल्यूलास Ca-COOH-COOH की इकाई आक्सीकृत होकर (COOH)2 का रूप ग्रहण कर लेती है। आक्सैलिक अम्ल को औद्योगिक परिमाण में बनाने के लिए सोडियम फ़ार्मेट को सोडियम हाइड्राक्साइड या कार्बोनेट के साथ गरम किया जाता है। आक्सैलिक अम्ल का कार्बोक्सिल समूह दूसरे कार्बोक्सिल समूह पर प्रेरण प्रभाव डालता है, जिससे इनका आयनीकरण अधिक होता है। आक्सैलिक अम्ल में शक्तिशाली अम्ल के गुण हैं।</p><p></p><p> </p></body></html>
Discussion
204.

Blood for tests should be collected when patient is on fast for​

Answer» <html><body><p><strong><a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a>:</strong></p><p></p><p><strong>Explanation:</strong></p><p>You usually <a href="https://interviewquestions.tuteehub.com/tag/need-25476" style="font-weight:bold;" target="_blank" title="Click to know more about NEED">NEED</a> to fast for 8–12 <a href="https://interviewquestions.tuteehub.com/tag/hours-1030090" style="font-weight:bold;" target="_blank" title="Click to know more about HOURS">HOURS</a> before a test.</p></body></html>
Discussion
205.

if the rate of reaction incraeses to two times with every 10° rise in temperature then if we rise the temperature by 40° the new rate of reaction will be​

Answer» <html><body><p>Answer:</p><p></p><p>Explanation:</p><p><a href="https://interviewquestions.tuteehub.com/tag/rate-1177476" style="font-weight:bold;" target="_blank" title="Click to know more about RATE">RATE</a> of reaction increase to 8 <a href="https://interviewquestions.tuteehub.com/tag/times-1420471" style="font-weight:bold;" target="_blank" title="Click to know more about TIMES">TIMES</a> the <a href="https://interviewquestions.tuteehub.com/tag/initial-499269" style="font-weight:bold;" target="_blank" title="Click to know more about INITIAL">INITIAL</a> rate of reaction with increase in 40° temp.</p><p>With increase in 10° rate of reaction 2×initial</p><p>Hence for 40° :(40/10)x2xinitial rate of reaction</p></body></html>
Discussion
206.

What is the nature of chemisktry

Answer» <html><body><p><strong>Answer:</strong></p><p>The Nature of <a href="https://interviewquestions.tuteehub.com/tag/chemistry-506" style="font-weight:bold;" target="_blank" title="Click to know more about CHEMISTRY">CHEMISTRY</a> Chemistry is the study of the composition, <a href="https://interviewquestions.tuteehub.com/tag/structure-1230280" style="font-weight:bold;" target="_blank" title="Click to know more about STRUCTURE">STRUCTURE</a>, and properties of matter and of changes (<a href="https://interviewquestions.tuteehub.com/tag/transformations-1425767" style="font-weight:bold;" target="_blank" title="Click to know more about TRANSFORMATIONS">TRANSFORMATIONS</a>) that occur in matter. Matter is the building block material of the <a href="https://interviewquestions.tuteehub.com/tag/universe-13255" style="font-weight:bold;" target="_blank" title="Click to know more about UNIVERSE">UNIVERSE</a>. It is anything that takes up space and has mass.</p></body></html>
Discussion
207.

why ethylene glycol has zero dipole moment even though carbon oxygen bond are strongly polarized ?Can plz someone explain it .​

Answer» <html><body><p><strong><a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a>:</strong></p><p>Ethylene glycol, HOCH2CH2OH, has zero <a href="https://interviewquestions.tuteehub.com/tag/dipole-440057" style="font-weight:bold;" target="_blank" title="Click to know more about DIPOLE">DIPOLE</a> <a href="https://interviewquestions.tuteehub.com/tag/moment-25786" style="font-weight:bold;" target="_blank" title="Click to know more about MOMENT">MOMENT</a> <a href="https://interviewquestions.tuteehub.com/tag/even-976335" style="font-weight:bold;" target="_blank" title="Click to know more about EVEN">EVEN</a> though carbon–oxygen bonds are strongly polar and oxygen has two lone-pairs of electrons. ... Ethylene glycol, HOCH2CH2OH, has zero dipole moment even though carbon–oxygen bonds are strongly polar and oxygen has two lone-pairs of electrons.</p></body></html>
Discussion
208.

Explain polanzability and rules with Examples ​

Answer» <html><body><p><strong>Answer:</strong></p><p></p><p>Example- Hg2+(r+=102pm) is more polarizing than Ca2+(r+=100pm). The size of the charge in an ionic bond depends on the number of electrons <a href="https://interviewquestions.tuteehub.com/tag/transferred-2310410" style="font-weight:bold;" target="_blank" title="Click to know more about TRANSFERRED">TRANSFERRED</a>. For example, an <a href="https://interviewquestions.tuteehub.com/tag/aluminium-858823" style="font-weight:bold;" target="_blank" title="Click to know more about ALUMINIUM">ALUMINIUM</a> atom with a+3 charge has a relatively <a href="https://interviewquestions.tuteehub.com/tag/larger-1067345" style="font-weight:bold;" target="_blank" title="Click to know more about LARGER">LARGER</a> <a href="https://interviewquestions.tuteehub.com/tag/positive-1159908" style="font-weight:bold;" target="_blank" title="Click to know more about POSITIVE">POSITIVE</a> charge.</p><p></p></body></html>
Discussion
209.

Bolts and nuts of the same metal is preferred to avoid ​

Answer» <html><body><p><strong><a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a>:</strong></p><p><img align="absmiddle" alt="\large\green{\textsf{✩ Verified Answer ✓ }}" class="latex-formula" id="TexFormula1" src="https://tex.z-dn.net/?f=%20%5Clarge%5Cgreen%7B%5Ctextsf%7B%E2%9C%A9%20Verified%20Answer%20%E2%9C%93%20%7D%7D%20" title="\large\green{\textsf{✩ Verified Answer ✓ }}"/></p><p></p><h3>...❀..._____________________________________</h3><p></p><p></p><h3>ㅤㅤㅤㅤㅤㅤ...❀...</h3><p></p><p></p><p>→™ Nuts and <a href="https://interviewquestions.tuteehub.com/tag/bolts-16765" style="font-weight:bold;" target="_blank" title="Click to know more about BOLTS">BOLTS</a> made up of the same metal are preferred because they have the same <a href="https://interviewquestions.tuteehub.com/tag/strength-1229153" style="font-weight:bold;" target="_blank" title="Click to know more about STRENGTH">STRENGTH</a> and stress resistance.</p><p></p><h3>...❀..._____________________________________</h3><p></p><h3>ㅤㅤㅤㅤㅤㅤ...❀...</h3><p></p><p><img align="absmiddle" alt="\bf\orange{\textsf{Answered By ❥ MrAkdu࿐ }}" class="latex-formula" id="TexFormula2" src="https://tex.z-dn.net/?f=%20%5Cbf%5Corange%7B%5Ctextsf%7BAnswered%20By%20%E2%9D%A5%20MrAkdu%E0%BF%90%20%7D%7D%20" title="\bf\orange{\textsf{Answered By ❥ MrAkdu࿐ }}"/></p></body></html>
Discussion
210.

All the gases are not equally heavy but they do not form different layer because of :-Effusion -Diffusion -density -specific gravity

Answer» <html><body><p><strong><a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a>:</strong></p><p>diffusion</p><p></p><p><strong>Explanation:</strong></p><p></p></body></html>
Discussion
211.

Derive an expression for maximum work.​

Answer» <html><body><p><strong><a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a>:</strong></p><p>a <a href="https://interviewquestions.tuteehub.com/tag/chart-914560" style="font-weight:bold;" target="_blank" title="Click to know more about CHART">CHART</a> on the top <a href="https://interviewquestions.tuteehub.com/tag/features-985771" style="font-weight:bold;" target="_blank" title="Click to know more about FEATURES">FEATURES</a> of <a href="https://interviewquestions.tuteehub.com/tag/windows-22662" style="font-weight:bold;" target="_blank" title="Click to know more about WINDOWS">WINDOWS</a> 7. </p><p></p><p></p></body></html>
Discussion
212.

Q18. Which one of the following substances is not a mixture? * O a) 24 carat gold O b) Sea water O c) Soil O d) Air​

Answer» <html><body><p><strong><a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a>:</strong></p><p><strong>24 </strong><strong>c</strong><strong>arat <a href="https://interviewquestions.tuteehub.com/tag/gold-1008823" style="font-weight:bold;" target="_blank" title="Click to know more about GOLD">GOLD</a> is the <a href="https://interviewquestions.tuteehub.com/tag/correct-409949" style="font-weight:bold;" target="_blank" title="Click to know more about CORRECT">CORRECT</a> </strong><strong>answer</strong></p><p></p></body></html>
Discussion
213.

Ionic bonding and covalent bonding​

Answer» <html><body><p><strong><a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a>:</strong></p><p><a href="https://interviewquestions.tuteehub.com/tag/good-1009017" style="font-weight:bold;" target="_blank" title="Click to know more about GOOD">GOOD</a> <a href="https://interviewquestions.tuteehub.com/tag/morning-1103190" style="font-weight:bold;" target="_blank" title="Click to know more about MORNING">MORNING</a> have a <a href="https://interviewquestions.tuteehub.com/tag/nice-578299" style="font-weight:bold;" target="_blank" title="Click to know more about NICE">NICE</a> <a href="https://interviewquestions.tuteehub.com/tag/day-944776" style="font-weight:bold;" target="_blank" title="Click to know more about DAY">DAY</a> ahead</p></body></html>
Discussion
214.

Calculate the mass percent composition of Ca and Cl in calcium chloride.

Answer» <html><body><p><strong>Answer:</strong></p><p></p><p><strong><a href="https://interviewquestions.tuteehub.com/tag/explanation-455162" style="font-weight:bold;" target="_blank" title="Click to know more about EXPLANATION">EXPLANATION</a>:</strong></p><p>HELLO THERE!</p><p></p><p></p><p>Here's your answer ;)</p><p></p><p></p><p>Compound:- Calcium Chloride.</p><p></p><p></p><p>Molecular Formula: CaCl₂</p><p></p><p></p><p>Molecular mass:- 40 + 2×35.5 = <a href="https://interviewquestions.tuteehub.com/tag/111-268410" style="font-weight:bold;" target="_blank" title="Click to know more about 111">111</a></p><p></p><p>(Atomic mass of Ca = 40 and Cl = 35.5)</p><p></p><p></p><p><a href="https://interviewquestions.tuteehub.com/tag/hence-484344" style="font-weight:bold;" target="_blank" title="Click to know more about HENCE">HENCE</a>,</p><p></p><p></p><p>In 111g of Calcium chloride, there is 40g of Calcium and <a href="https://interviewquestions.tuteehub.com/tag/71g-334257" style="font-weight:bold;" target="_blank" title="Click to know more about 71G">71G</a> of Chlorine.</p><p></p><p></p><p></p><p><a href="https://interviewquestions.tuteehub.com/tag/percentage-13406" style="font-weight:bold;" target="_blank" title="Click to know more about PERCENTAGE">PERCENTAGE</a> Composition of Calcium:</p><p></p><p></p><p></p><p></p><p>Percentage composition of Chlorine:</p><p></p><p></p><p></p><p></p><p></p><p>Thus,</p><p></p><p>Percentage Composition of Calcium is 36.03%</p><p></p><p>Percentage Composition of Chlorine is 63.96%.</p></body></html>
Discussion
215.

Convert acetylene into oxalic acid

Answer» <html><body><p><strong><a href="https://interviewquestions.tuteehub.com/tag/explanation-455162" style="font-weight:bold;" target="_blank" title="Click to know more about EXPLANATION">EXPLANATION</a>:</strong></p><p>Acetylene needs to be reacted with ozone and zinc dust to <a href="https://interviewquestions.tuteehub.com/tag/form-996208" style="font-weight:bold;" target="_blank" title="Click to know more about FORM">FORM</a> glyoxal. Now glyoxal is reacted with alkaline potassium <a href="https://interviewquestions.tuteehub.com/tag/permanganate-598743" style="font-weight:bold;" target="_blank" title="Click to know more about PERMANGANATE">PERMANGANATE</a> to form oxalic <a href="https://interviewquestions.tuteehub.com/tag/acid-847491" style="font-weight:bold;" target="_blank" title="Click to know more about ACID">ACID</a> which has a <a href="https://interviewquestions.tuteehub.com/tag/carboxylic-2500076" style="font-weight:bold;" target="_blank" title="Click to know more about CARBOXYLIC">CARBOXYLIC</a> acid group attached to each other.</p></body></html>
Discussion
216.

What is Hydrochloric Acid ?​

Answer» <html><body><p><strong>Answer:</strong></p><p>Raat <a href="https://interviewquestions.tuteehub.com/tag/ko-1064871" style="font-weight:bold;" target="_blank" title="Click to know more about KO">KO</a> online <a href="https://interviewquestions.tuteehub.com/tag/nhi-570757" style="font-weight:bold;" target="_blank" title="Click to know more about NHI">NHI</a> aaoge to pata lag jayega</p><p></p><p>Waise badi jadli <a href="https://interviewquestions.tuteehub.com/tag/hai-479263" style="font-weight:bold;" target="_blank" title="Click to know more about HAI">HAI</a> <a href="https://interviewquestions.tuteehub.com/tag/marne-555487" style="font-weight:bold;" target="_blank" title="Click to know more about MARNE">MARNE</a> <a href="https://interviewquestions.tuteehub.com/tag/ki-533104" style="font-weight:bold;" target="_blank" title="Click to know more about KI">KI</a>? xD</p></body></html>
Discussion
217.

How halogen acids are ionized in water​

Answer» <html><body><h2><u>Answer</u><u> </u><u>:</u><u>-</u></h2><p></p><p><a href="https://interviewquestions.tuteehub.com/tag/halogen-1015106" style="font-weight:bold;" target="_blank" title="Click to know more about HALOGEN">HALOGEN</a> acids are polar in <a href="https://interviewquestions.tuteehub.com/tag/nature-1112013" style="font-weight:bold;" target="_blank" title="Click to know more about NATURE">NATURE</a> and <a href="https://interviewquestions.tuteehub.com/tag/water-1449333" style="font-weight:bold;" target="_blank" title="Click to know more about WATER">WATER</a> is also polar . when halogen acids are added in water than <a href="https://interviewquestions.tuteehub.com/tag/hydrogen-22331" style="font-weight:bold;" target="_blank" title="Click to know more about HYDROGEN">HYDROGEN</a> is converted into hydrogen ion and hydronium ions are <a href="https://interviewquestions.tuteehub.com/tag/solvated-7743184" style="font-weight:bold;" target="_blank" title="Click to know more about SOLVATED">SOLVATED</a> in water.</p><p></p><p></p><p>Hope the answer helps you. </p></body></html>
Discussion
218.

Write note on diammonium phosphate​

Answer» <html><body><p><strong>Explanation:</strong></p><p><strong><em><u>Diammonium phosphate (DAP) is the world's most <a href="https://interviewquestions.tuteehub.com/tag/widely-732348" style="font-weight:bold;" target="_blank" title="Click to know more about WIDELY">WIDELY</a> used phosphorus (P) fertilizer. It is <a href="https://interviewquestions.tuteehub.com/tag/made-3718337" style="font-weight:bold;" target="_blank" title="Click to know more about MADE">MADE</a> from two common <a href="https://interviewquestions.tuteehub.com/tag/constituents-424975" style="font-weight:bold;" target="_blank" title="Click to know more about CONSTITUENTS">CONSTITUENTS</a> in the fertilizer <a href="https://interviewquestions.tuteehub.com/tag/industry-1043031" style="font-weight:bold;" target="_blank" title="Click to know more about INDUSTRY">INDUSTRY</a> and it is popular because of its relatively high nutrient content and its <a href="https://interviewquestions.tuteehub.com/tag/excellent-2543" style="font-weight:bold;" target="_blank" title="Click to know more about EXCELLENT">EXCELLENT</a> physical properties.</u></em></strong></p><p></p><p><strong><em><u>༶•┈┈⛧┈♛</u></em></strong></p></body></html>
Discussion
219.

Why boiling point of carboxylic acids are higher than the corresponding members of other classes?​

Answer» <html><body><p><strong>Answer:</strong></p><p></p><p><strong><a href="https://interviewquestions.tuteehub.com/tag/explanation-455162" style="font-weight:bold;" target="_blank" title="Click to know more about EXPLANATION">EXPLANATION</a>:</strong></p><p>Because of their ability to <a href="https://interviewquestions.tuteehub.com/tag/form-996208" style="font-weight:bold;" target="_blank" title="Click to know more about FORM">FORM</a> intermolecular hydrogen bonding, carboxylic acids have <a href="https://interviewquestions.tuteehub.com/tag/high-479925" style="font-weight:bold;" target="_blank" title="Click to know more about HIGH">HIGH</a> boiling points as <a href="https://interviewquestions.tuteehub.com/tag/compared-7256615" style="font-weight:bold;" target="_blank" title="Click to know more about COMPARED">COMPARED</a> to the corresponding alcohol.</p></body></html>
Discussion
220.

Why alkynes are less ractive then alkanes towards eletrophilic reagents

Answer» <html><body><p><strong><a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a>:</strong></p><p>in <a href="https://interviewquestions.tuteehub.com/tag/decarboxylation-435634" style="font-weight:bold;" target="_blank" title="Click to know more about DECARBOXYLATION">DECARBOXYLATION</a> of sodium <a href="https://interviewquestions.tuteehub.com/tag/salt-1193804" style="font-weight:bold;" target="_blank" title="Click to know more about SALT">SALT</a> of propanoic acid,the alkane x is formed and its kolbes <a href="https://interviewquestions.tuteehub.com/tag/electrolysis-968576" style="font-weight:bold;" target="_blank" title="Click to know more about ELECTROLYSIS">ELECTROLYSIS</a> of its aqueous solution another alkane y is liberated.x,y are</p></body></html>
Discussion
221.

in decarboxylation of sodium salt of propanoic acid,the alkane x is formed and its kolbes electrolysis of its aqueous solution another alkane y is liberated.x,y are​

Answer» <html><body><p><strong>Answer:</strong></p><p>gamma ray, also known as gamma radiation (symbol γ or. ), is a penetrating <a href="https://interviewquestions.tuteehub.com/tag/form-996208" style="font-weight:bold;" target="_blank" title="Click to know more about FORM">FORM</a> of electromagnetic radiation arising from the radioactive <a href="https://interviewquestions.tuteehub.com/tag/decay-945588" style="font-weight:bold;" target="_blank" title="Click to know more about DECAY">DECAY</a> of atomic nuclei. It <a href="https://interviewquestions.tuteehub.com/tag/consists-930075" style="font-weight:bold;" target="_blank" title="Click to know more about CONSISTS">CONSISTS</a> of the shortest wavelength electromagnetic waves and so imparts the highest photon energy.</p></body></html>
Discussion
222.

The average mass number of all naturally found isotopes of an element is called​

Answer» <html><body><p><strong><a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a>:</strong></p><p>It is <a href="https://interviewquestions.tuteehub.com/tag/said-629244" style="font-weight:bold;" target="_blank" title="Click to know more about SAID">SAID</a> as <a href="https://interviewquestions.tuteehub.com/tag/atomic-2477" style="font-weight:bold;" target="_blank" title="Click to know more about ATOMIC">ATOMIC</a> <a href="https://interviewquestions.tuteehub.com/tag/mass-1088425" style="font-weight:bold;" target="_blank" title="Click to know more about MASS">MASS</a> of the <a href="https://interviewquestions.tuteehub.com/tag/element-969236" style="font-weight:bold;" target="_blank" title="Click to know more about ELEMENT">ELEMENT</a>.</p></body></html>
Discussion
223.

If 1 litre glucose solution is added to 2 litre of water calculate its molarity​

Answer» <html><body><p><strong>Answer:</strong></p><p><a href="https://interviewquestions.tuteehub.com/tag/mass-1088425" style="font-weight:bold;" target="_blank" title="Click to know more about MASS">MASS</a> by volume percentage (wv) is the mass of solute <a href="https://interviewquestions.tuteehub.com/tag/dissolved-956358" style="font-weight:bold;" target="_blank" title="Click to know more about DISSOLVED">DISSOLVED</a> in 100 mL of the solution. Consider <a href="https://interviewquestions.tuteehub.com/tag/100g-265940" style="font-weight:bold;" target="_blank" title="Click to know more about 100G">100G</a> of <a href="https://interviewquestions.tuteehub.com/tag/10-261113" style="font-weight:bold;" target="_blank" title="Click to know more about 10">10</a>% solution of glucose whose conc. is 10% ww. Molality of the solution is the number of <a href="https://interviewquestions.tuteehub.com/tag/moles-1100459" style="font-weight:bold;" target="_blank" title="Click to know more about MOLES">MOLES</a> of the solute per kilogram of the solvent. Hence, the molality of the solution is 0.617m.</p></body></html>
Discussion
224.

Iupac name of ph-c(oc2h5) =c(cl) -cho​

Answer» <html><body><p><strong>Answer:</strong></p><p>2-chloro 3-ehoxy 4-phenyl prop-2en-1-al</p><p>hope this will <a href="https://interviewquestions.tuteehub.com/tag/help-1018089" style="font-weight:bold;" target="_blank" title="Click to know more about HELP">HELP</a> you. </p></body></html>
Discussion
225.

What are the two major problems and their solutions for the Nelson's cell or Diaphragm cell​

Answer» <html><body><p><strong>Answer:</strong></p><p>The first problem is solve by using asbestos <a href="https://interviewquestions.tuteehub.com/tag/diaphragm-438991" style="font-weight:bold;" target="_blank" title="Click to know more about DIAPHRAGM">DIAPHRAGM</a>. Its keeps the <a href="https://interviewquestions.tuteehub.com/tag/two-714195" style="font-weight:bold;" target="_blank" title="Click to know more about TWO">TWO</a> solutions separated and migrate Na+ ions towards the chloride. The second problem is solve by keeping the brine level <a href="https://interviewquestions.tuteehub.com/tag/slightly-3037487" style="font-weight:bold;" target="_blank" title="Click to know more about SLIGHTLY">SLIGHTLY</a> higher in anode compartment . So, flow of liquid continues towards the <a href="https://interviewquestions.tuteehub.com/tag/cathode-910820" style="font-weight:bold;" target="_blank" title="Click to know more about CATHODE">CATHODE</a> and <a href="https://interviewquestions.tuteehub.com/tag/oh-585115" style="font-weight:bold;" target="_blank" title="Click to know more about OH">OH</a>- ions can not react the anode.</p></body></html>
Discussion
226.

State the reaction of manganese dioxide with chlorine gas.Please give relevant answers Thank you

Answer» <html><body><p>Answer:</p><p>◼<a href="https://interviewquestions.tuteehub.com/tag/manganese-553940" style="font-weight:bold;" target="_blank" title="Click to know more about MANGANESE">MANGANESE</a> <a href="https://interviewquestions.tuteehub.com/tag/dioxide-954355" style="font-weight:bold;" target="_blank" title="Click to know more about DIOXIDE">DIOXIDE</a> is a, powerful oxidising agent. So, When manganese dioxide is added to HCl it gives out <a href="https://interviewquestions.tuteehub.com/tag/greenish-2098847" style="font-weight:bold;" target="_blank" title="Click to know more about GREENISH">GREENISH</a> yellow gas which is <a href="https://interviewquestions.tuteehub.com/tag/chlorine-915874" style="font-weight:bold;" target="_blank" title="Click to know more about CHLORINE">CHLORINE</a> with water and a salt. ... Hence the gas evolved is chlorine.</p><p>Explanation:</p><p>Hope that helps you</p></body></html>
Discussion
227.

State the main postulates of VSERP theory?​

Answer» <html><body><p>It's <a href="https://interviewquestions.tuteehub.com/tag/vsepr-724182" style="font-weight:bold;" target="_blank" title="Click to know more about VSEPR">VSEPR</a> NOT VSERP</p><p>The <a href="https://interviewquestions.tuteehub.com/tag/shape-1204673" style="font-weight:bold;" target="_blank" title="Click to know more about SHAPE">SHAPE</a> of the molecule depends upon the no of electron pairs present inside the centre of nucleus</p><p></p><p>The electron pairs revolve <a href="https://interviewquestions.tuteehub.com/tag/around-5602275" style="font-weight:bold;" target="_blank" title="Click to know more about AROUND">AROUND</a>. They stay far from each other electron in shell to minimise the repulsion</p><p></p><p>The electron pairs does not <a href="https://interviewquestions.tuteehub.com/tag/repel-1185152" style="font-weight:bold;" target="_blank" title="Click to know more about REPEL">REPEL</a> because they <a href="https://interviewquestions.tuteehub.com/tag/move-548879" style="font-weight:bold;" target="_blank" title="Click to know more about MOVE">MOVE</a> in space from each other to make repelling less</p><p></p><p>Lone pair - - - - lone pair----&gt;lone pair-bond pair---&gt;bond pair - - - bond pair</p><p></p><p></p><p></p></body></html>
Discussion
228.

J.black made a study of​

Answer» <html><body><p><strong>Answer:</strong></p><p>Joseph <a href="https://interviewquestions.tuteehub.com/tag/black-898687" style="font-weight:bold;" target="_blank" title="Click to know more about BLACK">BLACK</a> (16 <a href="https://interviewquestions.tuteehub.com/tag/april-380813" style="font-weight:bold;" target="_blank" title="Click to know more about APRIL">APRIL</a> <a href="https://interviewquestions.tuteehub.com/tag/1728-1796726" style="font-weight:bold;" target="_blank" title="Click to know more about 1728">1728</a> – 6 December 1799) was a Scottish physicist and chemist, known for his <a href="https://interviewquestions.tuteehub.com/tag/discoveries-955520" style="font-weight:bold;" target="_blank" title="Click to know more about DISCOVERIES">DISCOVERIES</a> of magnesium, latent heat, specific heat, and carbon dioxide. He was Professor of <a href="https://interviewquestions.tuteehub.com/tag/anatomy-22857" style="font-weight:bold;" target="_blank" title="Click to know more about ANATOMY">ANATOMY</a> and Chemistry at the University of Glasgow for 10 years from 1756, and then Professor of Medicine and Chemistry at the University of Edinburgh from 1766, teaching and lecturing there for more than 30 years.[2]</p></body></html>
Discussion
229.

State the two properties of solid, liquid and gases States.​

Answer» <html><body><p><strong>Explanation:</strong></p><p><strong><em>solid-</em></strong><strong><em> </em></strong><a href="https://interviewquestions.tuteehub.com/tag/relatively-621723" style="font-weight:bold;" target="_blank" title="Click to know more about RELATIVELY">RELATIVELY</a> <a href="https://interviewquestions.tuteehub.com/tag/rigid-1189408" style="font-weight:bold;" target="_blank" title="Click to know more about RIGID">RIGID</a> definite volume and <a href="https://interviewquestions.tuteehub.com/tag/shape-1204673" style="font-weight:bold;" target="_blank" title="Click to know more about SHAPE">SHAPE</a>. In solid the atoms and molecules are <a href="https://interviewquestions.tuteehub.com/tag/attached-1964039" style="font-weight:bold;" target="_blank" title="Click to know more about ATTACHED">ATTACHED</a> to each other.</p><p><strong><em>liquid-</em></strong><strong><em> </em></strong>definite volume but able to change shape by <a href="https://interviewquestions.tuteehub.com/tag/flowing-993418" style="font-weight:bold;" target="_blank" title="Click to know more about FLOWING">FLOWING</a> in a liquid ,the atom and molecules are loosely bond. </p><p><strong><em>Gas</em></strong><strong><em> </em></strong><strong><em>-</em></strong><strong><em> </em></strong>non definite volume or shape. </p><p></p><p></p><p> <strong><em><u>hope</u></em></strong><strong><em><u> </u></em></strong><em><u> </u></em><strong><em>it</em></strong><strong><em> </em></strong><strong><em>is</em></strong><strong><em> </em></strong><strong><em>useful</em></strong><strong><em>. </em></strong></p></body></html>
Discussion
230.

Coordinate covalent bond definition​

Answer» <html><body><p><a href="https://interviewquestions.tuteehub.com/tag/co-920124" style="font-weight:bold;" target="_blank" title="Click to know more about CO">CO</a> ordinate covalent <a href="https://interviewquestions.tuteehub.com/tag/bond-900583" style="font-weight:bold;" target="_blank" title="Click to know more about BOND">BOND</a> was purposed by sidgwick</p><p>• it is a special type of covalent bond </p><p>• in this the shared pair of electrons are contributed by one of the bonded atoms </p><p>• which atoms contributing the pair of electrons is known as donar </p><p>• which <a href="https://interviewquestions.tuteehub.com/tag/atom-887280" style="font-weight:bold;" target="_blank" title="Click to know more about ATOM">ATOM</a> shares the pair of electrons is known as acceptor </p><p>• the bond is represented by ➡️ ( arrow ) from donar atom to acceptor atom </p><p> example : 1. <a href="https://interviewquestions.tuteehub.com/tag/nh4-570730" style="font-weight:bold;" target="_blank" title="Click to know more about NH4">NH4</a>+ ( <a href="https://interviewquestions.tuteehub.com/tag/ammonium-859347" style="font-weight:bold;" target="_blank" title="Click to know more about AMMONIUM">AMMONIUM</a> ion) </p><p> 2. H3O+ ( hydronium ion) </p><p></p><p></p><p></p><p>hopes it's helpful </p></body></html>
Discussion
231.

द्रव्यता आम्नकिया नियत किसने का पू द्रव्य आमाफया किया था गीत र अग्निफिया की इकाई पगम​

Answer» <html><body><p>Answer:</p><p>Acetone, or propanone, is an organic compound with the formula (CH3)2CO. It is the <a href="https://interviewquestions.tuteehub.com/tag/simplest-1208711" style="font-weight:bold;" target="_blank" title="Click to know more about SIMPLEST">SIMPLEST</a> and smallest <a href="https://interviewquestions.tuteehub.com/tag/ketone-1063494" style="font-weight:bold;" target="_blank" title="Click to know more about KETONE">KETONE</a>. It is a colourless, <a href="https://interviewquestions.tuteehub.com/tag/highly-2102664" style="font-weight:bold;" target="_blank" title="Click to know more about HIGHLY">HIGHLY</a> volatile and flammable liquid with a <a href="https://interviewquestions.tuteehub.com/tag/characteristic-914243" style="font-weight:bold;" target="_blank" title="Click to know more about CHARACTERISTIC">CHARACTERISTIC</a> pungent odour.</p><p>Explanation:</p><p>Ig @leemin_annie</p></body></html>
Discussion
232.

How is it bases and salts are in organic​

Answer» <html><body><p><strong>Answer:</strong></p><p><a href="https://interviewquestions.tuteehub.com/tag/salt-1193804" style="font-weight:bold;" target="_blank" title="Click to know more about SALT">SALT</a> is an ionic compound that <a href="https://interviewquestions.tuteehub.com/tag/results-2643" style="font-weight:bold;" target="_blank" title="Click to know more about RESULTS">RESULTS</a> from the neutralization reaction of acids and bases. Salts are constituted of positively charged ions, known as cations and negatively charged ions, known as <a href="https://interviewquestions.tuteehub.com/tag/anions-876055" style="font-weight:bold;" target="_blank" title="Click to know more about ANIONS">ANIONS</a>, which can either be organic or <a href="https://interviewquestions.tuteehub.com/tag/inorganic-2740022" style="font-weight:bold;" target="_blank" title="Click to know more about INORGANIC">INORGANIC</a> in nature. These ions are present in a relative <a href="https://interviewquestions.tuteehub.com/tag/amount-374803" style="font-weight:bold;" target="_blank" title="Click to know more about AMOUNT">AMOUNT</a>, thus rendering the nature of the salt neutral. The formation of salt can be seen from the chemical reactions shown in the equations below. To learn more about acids and bases and neutralization reactions,</p><p><strong>Explanation:</strong></p><p></p></body></html>
Discussion
233.

Identify the ground state term from each set of term 1s, 3P, 1d , 3f , 1g

Answer» <html><body><p><strong><a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a>:</strong></p><p><a href="https://interviewquestions.tuteehub.com/tag/1s-283076" style="font-weight:bold;" target="_blank" title="Click to know more about 1S">1S</a>=1+0=1</p><p>3p=3+1=4</p><p>1d=1+2=3</p><p>3f=3+3=6</p><p>1g=1+4=5</p><p> so,answer is 1s</p></body></html>
Discussion
234.

Give reason , a) A balloon is being inflated . B) when an inflated balloon is immersed in water its size decreases . C) size of air bubbles raising from bottom of an aquarium increases

Answer» <html><body><p><strong>Answer:</strong></p><p>A) Since warm air takes up more space than the same amount of cold air it <a href="https://interviewquestions.tuteehub.com/tag/makes-2811811" style="font-weight:bold;" target="_blank" title="Click to know more about MAKES">MAKES</a> the <a href="https://interviewquestions.tuteehub.com/tag/balloon-392886" style="font-weight:bold;" target="_blank" title="Click to know more about BALLOON">BALLOON</a> inflate.</p><p></p><p>B) The pressure from the <a href="https://interviewquestions.tuteehub.com/tag/water-1449333" style="font-weight:bold;" target="_blank" title="Click to know more about WATER">WATER</a> causes the air to compress inside the balloon. The deeper the balloon is taken into the water, the greater the pressure, and therefore, the smaller the balloon will become.</p><p></p><p>C) As the bubbles move upwards, the pressure on them decreases. This causes increase in volume. So, as the bubbles move upwards, their size <a href="https://interviewquestions.tuteehub.com/tag/increases-1040626" style="font-weight:bold;" target="_blank" title="Click to know more about INCREASES">INCREASES</a>.</p><p></p></body></html>
Discussion
235.

The density of gas Y is twice that of gas X The temperature of gas X is twice that of gas Y. X and Y have the same molar mass. What the ratio of pressures of X and Y ?(A)1:1 (B) 1:2 C) 2:1 (D) 4:1​

Answer» <html><body><p><strong><a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a>:</strong></p><p><a href="https://interviewquestions.tuteehub.com/tag/c-7168" style="font-weight:bold;" target="_blank" title="Click to know more about C">C</a>) 2:1....</p><p><strong><a href="https://interviewquestions.tuteehub.com/tag/explanation-455162" style="font-weight:bold;" target="_blank" title="Click to know more about EXPLANATION">EXPLANATION</a>:</strong></p><p>hsiebkwjnwoskwjbw</p><p>shsowm</p><p>eiw</p><p>ww</p></body></html>
Discussion
236.

Give reason , a) A balloon is being inflated . B) when an inflated balloon is immersed in water its size decreases

Answer» <html><body><p><strong>Answer:</strong></p><p>A) Since <a href="https://interviewquestions.tuteehub.com/tag/warm-1448889" style="font-weight:bold;" target="_blank" title="Click to know more about WARM">WARM</a> air <a href="https://interviewquestions.tuteehub.com/tag/takes-1238575" style="font-weight:bold;" target="_blank" title="Click to know more about TAKES">TAKES</a> up more space than the same amount of cold air it makes the balloon inflate</p><p>B) The pressure from the <a href="https://interviewquestions.tuteehub.com/tag/water-1449333" style="font-weight:bold;" target="_blank" title="Click to know more about WATER">WATER</a> <a href="https://interviewquestions.tuteehub.com/tag/causes-910982" style="font-weight:bold;" target="_blank" title="Click to know more about CAUSES">CAUSES</a> the air to compress inside the balloon. The <a href="https://interviewquestions.tuteehub.com/tag/deeper-2048395" style="font-weight:bold;" target="_blank" title="Click to know more about DEEPER">DEEPER</a> the balloon is taken into the water, the greater the pressure, and therefore, the smaller the balloon will become.</p></body></html>
Discussion
237.

Please answer it its argent​

Answer» <html><body><p>Answer:</p><p></p><p>Explanation:</p><p><a href="https://interviewquestions.tuteehub.com/tag/food-463384" style="font-weight:bold;" target="_blank" title="Click to know more about FOOD">FOOD</a>, packaged food, sealed and waterproof.</p><p>heat, <a href="https://interviewquestions.tuteehub.com/tag/fire-989497" style="font-weight:bold;" target="_blank" title="Click to know more about FIRE">FIRE</a>, inextinguishable</p><p>water, <a href="https://interviewquestions.tuteehub.com/tag/bottled-7665920" style="font-weight:bold;" target="_blank" title="Click to know more about BOTTLED">BOTTLED</a> water, not <a href="https://interviewquestions.tuteehub.com/tag/contaminated-7283194" style="font-weight:bold;" target="_blank" title="Click to know more about CONTAMINATED">CONTAMINATED</a>.</p><p></p></body></html>
Discussion
238.

2.42+1.32+0.2=Y. The value of Y after the rounding off is​

Answer» <html><body><p><strong><a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a>:</strong></p><p><em><strong>Y=3.94</strong></em></p><p><em><strong>Y=4</strong></em></p><p><strong>Explanation: AS <a href="https://interviewquestions.tuteehub.com/tag/simle-3030729" style="font-weight:bold;" target="_blank" title="Click to know more about SIMLE">SIMLE</a> AS THAT</strong></p><p></p></body></html>
Discussion
239.

Dwerive the expression for maximum work

Answer» <html><body><p><strong><a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a>:</strong></p><p><a href="https://interviewquestions.tuteehub.com/tag/write-746491" style="font-weight:bold;" target="_blank" title="Click to know more about WRITE">WRITE</a> <a href="https://interviewquestions.tuteehub.com/tag/proper-1169819" style="font-weight:bold;" target="_blank" title="Click to know more about PROPER">PROPER</a> <a href="https://interviewquestions.tuteehub.com/tag/question-25051" style="font-weight:bold;" target="_blank" title="Click to know more about QUESTION">QUESTION</a>!!</p><p></p><p><strong><a href="https://interviewquestions.tuteehub.com/tag/explanation-455162" style="font-weight:bold;" target="_blank" title="Click to know more about EXPLANATION">EXPLANATION</a>:</strong></p><h2><strong>#</strong><strong>q</strong><strong>u</strong><strong>e</strong><strong>e</strong><strong>n</strong><strong>♥️</strong></h2></body></html>
Discussion
240.

Ans this question plz fast ​

Answer» <html><body><p><strong><a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a>:</strong></p><p>sir can u <a href="https://interviewquestions.tuteehub.com/tag/pls-591756" style="font-weight:bold;" target="_blank" title="Click to know more about PLS">PLS</a> ask 8th <a href="https://interviewquestions.tuteehub.com/tag/class-18125" style="font-weight:bold;" target="_blank" title="Click to know more about CLASS">CLASS</a> questions.</p></body></html>
Discussion
241.

Oh Hello Any Body Can Help Me ?? I wanted answers of chemistry Subject​, don't be wrong solution/ options​

Answer» <html><body><p><strong>Explanation:</strong></p><p>I think that the <a href="https://interviewquestions.tuteehub.com/tag/option-25810" style="font-weight:bold;" target="_blank" title="Click to know more about OPTION">OPTION</a> D which is CO2 + <a href="https://interviewquestions.tuteehub.com/tag/koh-528424" style="font-weight:bold;" target="_blank" title="Click to know more about KOH">KOH</a> -- &gt; K + <a href="https://interviewquestions.tuteehub.com/tag/co-920124" style="font-weight:bold;" target="_blank" title="Click to know more about CO">CO</a> + H2O , </p></body></html>
Discussion
242.

of the following crystal lattice one that has largest packing fraction is a.simple cubic b.body centre cubic c.simple tetragonal d.face centre cubic​

Answer» <html><body><p><strong>Answer:</strong></p><p>9dyoy690₹,7_24%<a href="https://interviewquestions.tuteehub.com/tag/24-295400" style="font-weight:bold;" target="_blank" title="Click to know more about 24">24</a>%24%</p></body></html>
Discussion
243.

Is the name of this molecule 3-phenoxy heptane ?

Answer» <html><body><p><strong><a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a>:</strong></p><p>yes this <a href="https://interviewquestions.tuteehub.com/tag/molecule-563028" style="font-weight:bold;" target="_blank" title="Click to know more about MOLECULE">MOLECULE</a> IUPAC name is <a href="https://interviewquestions.tuteehub.com/tag/3-301577" style="font-weight:bold;" target="_blank" title="Click to know more about 3">3</a> phenoxy heptane</p></body></html>
Discussion
244.

The total MOLE FRACTION of solution is ______

Answer» <html><body><p><strong>Answer:</strong></p><p><a href="https://interviewquestions.tuteehub.com/tag/mole-1100299" style="font-weight:bold;" target="_blank" title="Click to know more about MOLE">MOLE</a> fraction <a href="https://interviewquestions.tuteehub.com/tag/represents-1185452" style="font-weight:bold;" target="_blank" title="Click to know more about REPRESENTS">REPRESENTS</a> the number of molecules of a <a href="https://interviewquestions.tuteehub.com/tag/particular-1147539" style="font-weight:bold;" target="_blank" title="Click to know more about PARTICULAR">PARTICULAR</a> component in a mixture <a href="https://interviewquestions.tuteehub.com/tag/divided-441039" style="font-weight:bold;" target="_blank" title="Click to know more about DIVIDED">DIVIDED</a> by the total number of moles in the given mixture. It's a way of expressing the concentration of a solution. Therefore, the sum of mole fraction of all the <a href="https://interviewquestions.tuteehub.com/tag/components-926700" style="font-weight:bold;" target="_blank" title="Click to know more about COMPONENTS">COMPONENTS</a> is always equal to one.</p></body></html>
Discussion
245.

Explain the different zones of a candle flame with the help of a neat labelled diagram

Answer» <html><body><p><img align="absmiddle" alt="\huge\blue{\mid{\underline {\overline{\tt ❥Ꭺɴꮪꮃꭼꭱ♡}}\mid}}" class="latex-formula" id="TexFormula1" src="https://tex.z-dn.net/?f=%5Chuge%5Cblue%7B%5Cmid%7B%5Cunderline%20%7B%5Coverline%7B%5Ctt%20%E2%9D%A5%E1%8E%AA%C9%B4%EA%AE%AA%EA%AE%83%EA%AD%BC%EA%AD%B1%E2%99%A1%7D%7D%5Cmid%7D%7D" title="\huge\blue{\mid{\underline {\overline{\tt ❥Ꭺɴꮪꮃꭼꭱ♡}}\mid}}"/></p><p></p><p>There are three zones in the candle flame in which the <a href="https://interviewquestions.tuteehub.com/tag/non-580180" style="font-weight:bold;" target="_blank" title="Click to know more about NON">NON</a> – luminous zone is the zone of <a href="https://interviewquestions.tuteehub.com/tag/complete-423576" style="font-weight:bold;" target="_blank" title="Click to know more about COMPLETE">COMPLETE</a> <a href="https://interviewquestions.tuteehub.com/tag/combustion-13975" style="font-weight:bold;" target="_blank" title="Click to know more about COMBUSTION">COMBUSTION</a>, the luminous zone has limited oxygen supply and is moderately hot and the <a href="https://interviewquestions.tuteehub.com/tag/third-1414358" style="font-weight:bold;" target="_blank" title="Click to know more about THIRD">THIRD</a> zone is the dark zone which does not burn <a href="https://interviewquestions.tuteehub.com/tag/due-433472" style="font-weight:bold;" target="_blank" title="Click to know more about DUE">DUE</a> to the absence of air.</p><p></p><p>Hᴏᴘᴇ ɪᴛs ʜᴇʟᴘs ʏᴏᴜ ❤</p></body></html>
Discussion
246.

The number of ion pairs that constitute one unit cell of CsCl​

Answer» <html><body><p><strong>Answer:</strong></p><p><strong>1</strong></p><p><strong>Explanation:</strong></p><p><strong>The number of <a href="https://interviewquestions.tuteehub.com/tag/ion-1051153" style="font-weight:bold;" target="_blank" title="Click to know more about ION">ION</a> pairs that constitute one <a href="https://interviewquestions.tuteehub.com/tag/unit-1438166" style="font-weight:bold;" target="_blank" title="Click to know more about UNIT">UNIT</a> <a href="https://interviewquestions.tuteehub.com/tag/cell-25680" style="font-weight:bold;" target="_blank" title="Click to know more about CELL">CELL</a> of <a href="https://interviewquestions.tuteehub.com/tag/cscl-410997" style="font-weight:bold;" target="_blank" title="Click to know more about CSCL">CSCL</a></strong><strong> </strong><strong>is</strong><strong> </strong><strong>1</strong></p></body></html>
Discussion
247.

Which group elements have outer electronic configuration as ns^2 np^3.Don't spam give correct explonation ​

Answer» <html><body><p><strong>Answer:</strong></p><p>(i) For n=3, the period in which the element <a href="https://interviewquestions.tuteehub.com/tag/belongs-894781" style="font-weight:bold;" target="_blank" title="Click to know more about BELONGS">BELONGS</a> is <a href="https://interviewquestions.tuteehub.com/tag/third-1414358" style="font-weight:bold;" target="_blank" title="Click to know more about THIRD">THIRD</a>. The electronic configuration is 3s </p><p>2</p><p> 3p </p><p>4</p><p> and the element belongs to p block. The group <a href="https://interviewquestions.tuteehub.com/tag/number-582134" style="font-weight:bold;" target="_blank" title="Click to know more about NUMBER">NUMBER</a> of the element is 10+ number of <a href="https://interviewquestions.tuteehub.com/tag/electrons-969138" style="font-weight:bold;" target="_blank" title="Click to know more about ELECTRONS">ELECTRONS</a> in the valence shell.</p><p>=10+6=16</p><p>Thus, the element belongs to third period and sixteenth group.</p><p></p><p>(ii) For n=4, the period in which the element belongs is fourth. The electronic configuration is 3d </p><p>2</p><p> 4s </p><p>2</p><p> and the element belongs to d block. The group number of the element is = number of electrons in the (n−1)d subshell + number of electrons in ns subshell=2+2=4</p><p>Thus, the element belongs to fourth period and fourth group.</p><p></p><p>(iii) For n=6, the period in which the element belongs is sixth. The electronic configuration is 4f </p><p>7</p><p> 5d </p><p>1</p><p> 6s </p><p>2</p><p> and the element belongs to f block. All f block elements <a href="https://interviewquestions.tuteehub.com/tag/belong-894773" style="font-weight:bold;" target="_blank" title="Click to know more about BELONG">BELONG</a> to third group.</p><p>Thus, the element belongs to sixth period and third group.</p></body></html>
Discussion
248.

QUESTION :-~ Name two elements to show chemical reactions similar to magnesium.​

Answer» <html><body><p><strong>Answer:</strong></p><p>So, Calcium and strontium are the two <a href="https://interviewquestions.tuteehub.com/tag/elements-969381" style="font-weight:bold;" target="_blank" title="Click to know more about ELEMENTS">ELEMENTS</a> we <a href="https://interviewquestions.tuteehub.com/tag/would-3285927" style="font-weight:bold;" target="_blank" title="Click to know more about WOULD">WOULD</a> <a href="https://interviewquestions.tuteehub.com/tag/expect-7375705" style="font-weight:bold;" target="_blank" title="Click to know more about EXPECT">EXPECT</a> to show <a href="https://interviewquestions.tuteehub.com/tag/chemical-914796" style="font-weight:bold;" target="_blank" title="Click to know more about CHEMICAL">CHEMICAL</a> reactions similar to magnesium.</p><p></p></body></html>
Discussion
249.

1 point 5. Which of the following gas is made when carbon born with limited air? O a a. CO2 O b.CO3 O C.S04 Od.co​

Answer» <html><body><p><strong>Answer:</strong></p><p>c)CO3 is your correct answer</p><p></p><p><strong><em><u>hope</u></em></strong><strong><em><u> it</u></em></strong><strong><em><u> may</u></em></strong><strong><em><u> <a href="https://interviewquestions.tuteehub.com/tag/help-1018089" style="font-weight:bold;" target="_blank" title="Click to know more about HELP">HELP</a></u></em></strong><strong><em><u> you</u></em></strong><strong><em><u> </u></em></strong></p><p></p><p><strong><em><u>please</u></em></strong><strong><em><u> </u></em></strong><strong><em><u>subscribe</u></em></strong><strong><em><u> my</u></em></strong><strong><em><u> <a href="https://interviewquestions.tuteehub.com/tag/channel-20134" style="font-weight:bold;" target="_blank" title="Click to know more about CHANNEL">CHANNEL</a></u></em></strong><strong><em><u> Rishav</u></em></strong><strong><em><u> <a href="https://interviewquestions.tuteehub.com/tag/priyadarshi-606373" style="font-weight:bold;" target="_blank" title="Click to know more about PRIYADARSHI">PRIYADARSHI</a></u></em></strong><strong><em><u> </u></em></strong><strong><em><u></u></em></strong></p></body></html>
Discussion
250.

~~Name the reducing agent in the following reaction: 3MnO2 + 4A1 -----> 3Mn +2Al2O3State which is more reactive. Mn or Al and why?​

Answer» <html><body><p><strong>Answer:</strong></p><p>Correct option is Al becuse</p><p>Reducing agent <a href="https://interviewquestions.tuteehub.com/tag/remove-1184766" style="font-weight:bold;" target="_blank" title="Click to know more about REMOVE">REMOVE</a> <a href="https://interviewquestions.tuteehub.com/tag/oxygen-1144542" style="font-weight:bold;" target="_blank" title="Click to know more about OXYGEN">OXYGEN</a> from other <a href="https://interviewquestions.tuteehub.com/tag/compounds-927010" style="font-weight:bold;" target="_blank" title="Click to know more about COMPOUNDS">COMPOUNDS</a> or add oxygen to itself therefore the reducing agent here is <a href="https://interviewquestions.tuteehub.com/tag/aliminium-2407576" style="font-weight:bold;" target="_blank" title="Click to know more about ALIMINIUM">ALIMINIUM</a>.</p><p></p></body></html>
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