15280 + Interview Questions in Chemistry Page 36 InterviewSolution

1751.	39. Write the formula for the following coordination compounds:3)Iron (III) hexacyanoferrate(II)
Answer» 39. Write the formula for the following coordination compounds:3)Iron (III) hexacyanoferrate(II)

Discussion

1752.	What is the basic differences between proton and neutron?
Answer» What is the basic differences between proton and neutron?

Discussion

1753.	consider the concentration cell Pt\|H2(1atm),H+(aH+=x)\|\|H+(aH+=0.1),H2(1atm)\|Pt E at 298 K is 0.118V. Calulate the pH of unknown solution
Answer» consider the concentration cell Pt\|H2(1atm),H+(aH+=x)\|\|H+(aH+=0.1),H2(1atm)\|Pt E at 298 K is 0.118V. Calulate the pH of unknown solution

Discussion

1754.	If the total binding energy of the reacting molecules is less than the total binding energy of the product molecules then the difference appears as heat and the reaction is exothermic. Explain.
Answer» If the total binding energy of the reacting molecules is less than the total binding energy of the product molecules then the difference appears as heat and the reaction is exothermic. Explain.

Discussion

1755.	how to find the formula of copper oxide
Answer» how to find the formula of copper oxide

Discussion

1756.	Which of the following reactions represents thermite process?
Answer» Which of the following reactions represents thermite process?

Discussion

1757.	ntrate of formation SO3according to reaction 2SO2+O2=2SO3is .00016kg/min.rate at which so2 reactsis?n
Answer» ntrate of formation SO3according to reaction 2SO2+O2=2SO3is .00016kg/min.rate at which so2 reactsis?n

Discussion

1758.	Which gas is evolved when green vitriol is heated?
Answer» Which gas is evolved when green vitriol is heated?

Discussion

1759.	96 Equimolar concentrations of h2 and i2 are taken in a 2 l flask. If at equilibrium, rate of forward reaction is equal to rate of backward reaction, find the percent of initial concentration of h2 that has reacted at equilibrium.
Answer» 96 Equimolar concentrations of h2 and i2 are taken in a 2 l flask. If at equilibrium, rate of forward reaction is equal to rate of backward reaction, find the percent of initial concentration of h2 that has reacted at equilibrium.

Discussion

1760.	What is 1 pions2 muons 3 antinutrino
Answer» What is 1 pions 2 muons 3 antinutrino

Discussion

1761.	The molecule that has polar covalent, non polar covalent, coordinate and ionic bond among the following
Answer» The molecule that has polar covalent, non polar covalent, coordinate and ionic bond among the following

Discussion

1762.	What will happen when alkyl halides reacts with metals
Answer» What will happen when alkyl halides reacts with metals

Discussion

1763.	Na+ion is smaller than Na atom while Cl-ion is bigger than Cl atom.Why?
Answer» Na+ion is smaller than Na atom while Cl-ion is bigger than Cl atom.Why?

Discussion

1764.	The metal that is not corroded by air, water and acid is-
Answer» The metal that is not corroded by air, water and acid is-

Discussion

1765.	52 Four faraday of electricity were passed through AgNO3(l), CdSO4(l), AlCl3(l) and PbCl4(l) kept in four vessels using inert electrodes. The ratio of moles of Ag, Cd, Al and Pb deposited will be??
Answer» 52 Four faraday of electricity were passed through AgNO3(l), CdSO4(l), AlCl3(l) and PbCl4(l) kept in four vessels using inert electrodes. The ratio of moles of Ag, Cd, Al and Pb deposited will be??

Discussion

1766.	Find the odd one out of the following and explain your choice:(a) Sulphur, Phosphorus, Carbon, Iodine(b) Copper, Lead, Zinc, Mercury
Answer» Find the odd one out of the following and explain your choice: (a) Sulphur, Phosphorus, Carbon, Iodine (b) Copper, Lead, Zinc, Mercury

Discussion

1767.	Gas is evolved in which of the chemical reaction?
Answer» Gas is evolved in which of the chemical reaction?

Discussion

1768.	Question 8 A patient in a hospital is given soup daily in a cylindrical bowl of diameter 7 cm.If the bowl is filled with soup to a height of 4 cm, how much soup the hospital has to prepare daily to serve 250 patients? [Assume π=227]
Answer» Question 8 A patient in a hospital is given soup daily in a cylindrical bowl of diameter 7 cm.If the bowl is filled with soup to a height of 4 cm, how much soup the hospital has to prepare daily to serve 250 patients? $[A s s u m e π = \frac{22}{7}]$

Discussion

1769.	State differences between the properties of ionic compounds and covalent compounds.
Answer» State differences between the properties of ionic compounds and covalent compounds.

Discussion

1770.	How can universe expand,i f we mass can neither be created nor be destroyed??
Answer» How can universe expand,i f we mass can neither be created nor be destroyed??

Discussion

1771.	Write short notes.a. Mendeleev’s periodic law.b. Structure of the modern periodic table.c. Position of isotopes in the Mendeleev’s and the modern periodic table.
Answer» Write short notes. a. Mendeleev’s periodic law. b. Structure of the modern periodic table. c. Position of isotopes in the Mendeleev’s and the modern periodic table.

Discussion

1772.	54.For a poly-tropic process pressure P and Volume V is related as PV3 = constant, if gas is mono-atomic what is molar specific heat capacity for it.
Answer» 54.For a poly-tropic process pressure P and Volume V is related as PV3 = constant, if gas is mono-atomic what is molar specific heat capacity for it.

Discussion

1773.	100g of a metal of specific heat capacity 0.1 cal g -1 c-1 is heated upon 200 Celsius .then it is immersed into 200g of water at 20 Celsius .What will be temperature of water at thermal equilibrium
Answer» 100g of a metal of specific heat capacity 0.1 cal g -1 c-1 is heated upon 200 Celsius .then it is immersed into 200g of water at 20 Celsius .What will be temperature of water at thermal equilibrium

Discussion

1774.	Metals above hydrogen in the activity series ___
Answer» Metals above hydrogen in the activity series ___

Discussion

1775.	Which one of the following can be classified as a Bronsted base?
Answer» Which one of the following can be classified as a Bronsted base?

1775.

Which one of the following can be classified as a Bronsted base?

Answer»

Which one of the following can be classified as a Bronsted base?

Discussion

1776.	Can electrolysis of molten CaO give us metal Ca
Answer» Can electrolysis of molten CaO give us metal Ca

Discussion

1777.	What is the amphoteric oxide among these ?
Answer» What is the amphoteric oxide among these ?

Discussion

1778.	The product formed when sulphur reacts with oxygen is:
Answer» The product formed when sulphur reacts with oxygen is:

Discussion

1779.	Name the organic compound prepared by each of the following reaction:(i) C2H5COONa + NaOH → (ii) CH3I + 2H− → (iii) C2H5Br + KOH (alcoholic solution) → (iv) CaC2 + 2H2O →
Answer» Name the organic compound prepared by each of the following reaction: (i) C₂H₅COONa + NaOH $\overset{}{\to}$ (ii) CH₃I + 2H⁻ $\overset{}{\to}$ (iii) C₂H₅Br + KOH (alcoholic solution) $\overset{}{\to}$ (iv) CaC₂ + 2H₂O $\overset{}{\to}$

Discussion

1780.	what is redox reaction
Answer» what is redox reaction

Discussion

1781.	The IUPAC name of the given compound is
Answer» The IUPAC name of the given compound is

1781.

The IUPAC name of the given compound is

Answer»

The IUPAC name of the given compound is

Discussion

1782.	(a) The pH values of six solutions A to F are given below : A = 0, B = 11, C = 6, D = 3, E = 13, F = 8 Which of the above solutions are (i) acids (ii) alkalis ? (b) Name the acids or alkalis used to make (i) car batteries (ii) explosives (iii) soaps (iv) fertilisers.
Answer» (a) The pH values of six solutions A to F are given below : A = 0, B = 11, C = 6, D = 3, E = 13, F = 8 Which of the above solutions are (i) acids (ii) alkalis ? (b) Name the acids or alkalis used to make (i) car batteries (ii) explosives (iii) soaps (iv) fertilisers.

1782.

(a) The pH values of six solutions A to F are given below : A = 0, B = 11, C = 6, D = 3, E = 13, F = 8 Which of the above solutions are (i) acids (ii) alkalis ? (b) Name the acids or alkalis used to make (i) car batteries (ii) explosives (iii) soaps (iv) fertilisers.

Answer»

(a) The pH values of six solutions A to F are given below :

A = 0, B = 11, C = 6, D = 3, E = 13, F = 8

Which of the above solutions are (i) acids (ii) alkalis ?

(b) Name the acids or alkalis used to make (i) car batteries (ii) explosives (iii) soaps (iv) fertilisers.

Discussion

1783.	A wire of about 2 km can be drawn from a gram of gold. This is because of the property called ______.
Answer» A wire of about 2 km can be drawn from a gram of gold. This is because of the property called ______.

Discussion

1784.	How many water molecules are present in one formula unit of CuSO4.5H2O?5
Answer» How many water molecules are present in one formula unit of ${CuSO}_{4} . 5 H_{2} O$ ? 5

Discussion

1785.	Identify the products of the reaction given below.CH3COOH + Na2CO3→
Answer» Identify the products of the reaction given below. ${CH}_{3} COOH + {Na}_{2} {CO}_{3} \to$

Discussion

1786.	Here are some results of solutions tested with universal indicator paper : Sulphuric acid: Red Metal polish: Dark blue Washing-up liquid: Yellow Milk of magnesia: Light blue Oven cleaner: Purple Car battery acid: Pink Arrange the solutions in order of their increasing pH values (starting with the one with the lowest pH).
Answer» Here are some results of solutions tested with universal indicator paper : Sulphuric acid: Red Metal polish: Dark blue Washing-up liquid: Yellow Milk of magnesia: Light blue Oven cleaner: Purple Car battery acid: Pink Arrange the solutions in order of their increasing pH values (starting with the one with the lowest pH).

1786.

Here are some results of solutions tested with universal indicator paper : Sulphuric acid: Red Metal polish: Dark blue Washing-up liquid: Yellow Milk of magnesia: Light blue Oven cleaner: Purple Car battery acid: Pink Arrange the solutions in order of their increasing pH values (starting with the one with the lowest pH).

Answer»

Here are some results of solutions tested with universal indicator paper :

Sulphuric acid: Red

Metal polish: Dark blue

Washing-up liquid: Yellow

Milk of magnesia: Light blue

Oven cleaner: Purple

Car battery acid: Pink

Arrange the solutions in order of their increasing pH values (starting with the one with the lowest pH).

Discussion

1787.	Why don't electrons radiate energy when revolving in discrete orbits?
Answer» Why don't electrons radiate energy when revolving in discrete orbits?

Discussion

1788.	Four pairs of compounds are given below. In each pair, one is chiral while the other is achiral. Identify in each pair which is chiral. Choose the from the options given. (I) ClCH2CHOHCH2OH and HOH2C CHClCH2OH (A) (B) (II) CH3CH=CHCH2Br and CH3−CHBrCH=CH2 (III) (A) (B)
Answer» Four pairs of compounds are given below. In each pair, one is chiral while the other is achiral. Identify in each pair which is chiral. Choose the from the options given. (I) $C l C H_{2} C H O H C H_{2} O H$ and $H O H_{2} C C H C l C H_{2} O H$ (A) (B) (II) $C H_{3} C H = C H C H_{2} B r$ and $C H_{3} - C H B r C H = C H_{2}$ (III) (A) (B)

1788.

Four pairs of compounds are given below. In each pair, one is chiral while the other is achiral. Identify in each pair which is chiral. Choose the from the options given. (I) ClCH2CHOHCH2OH and HOH2C CHClCH2OH (A) (B) (II) CH3CH=CHCH2Br and CH3−CHBrCH=CH2 (III) (A) (B)

Answer»

Four pairs of compounds are given below. In each pair, one is chiral while the other is achiral. Identify in each pair which is chiral. Choose the from the options given.

(I) $C l C H_{2} C H O H C H_{2} O H$ and $H O H_{2} C C H C l C H_{2} O H$

(A) (B)

(II) $C H_{3} C H = C H C H_{2} B r$ and $C H_{3} - C H B r C H = C H_{2}$

(III)

(A) (B)

Discussion

1789.	What are addition reactions? How are addition reactions of ethene different from ethyne?
Answer» What are addition reactions? How are addition reactions of ethene different from ethyne?

Discussion

1790.	Which of the following have double covalent bond?
Answer» Which of the following have double covalent bond?

Discussion

1791.	During electrolytic refining of copper, which of the following is used as an electrolyte?
Answer» During electrolytic refining of copper, which of the following is used as an electrolyte?

Discussion

1792.	Iron oxide has formula Fe₀.₉₄O : What fraction of Fe exists as Fe⁺³ ?
Answer» Iron oxide has formula Fe₀.₉₄O : What fraction of Fe exists as Fe⁺³ ?

Discussion

1793.	Does basic solution conduct electricity
Answer» Does basic solution conduct electricity

Discussion

1794.	Ethanoic acid+ ethanol -----> ______________ How?
Answer» Ethanoic acid+ ethanol -----> ______________ How?

Discussion

1795.	What i's pressure
Answer» What i's pressure

Discussion

1796.	Write a balanced equation for the production of nitrogen dioxide using copper.
Answer» Write a balanced equation for the production of nitrogen dioxide using copper.

Discussion

1797.	Is an alcohol an acid or base
Answer» Is an alcohol an acid or base

Discussion

1798.

A. Abrasive jet machining 1. Masking B. PAM 2. Stamping die C. Wire EDM 3. Engraving D. Chemical machining 4. Stainless steel profiling 5. Drilling fine holes

Answer»

A.	Abrasive jet machining	1.	Masking
B.	PAM	2.	Stamping die
C.	Wire EDM	3.	Engraving
D.	Chemical machining	4.	Stainless steel profiling
		5.	Drilling fine holes

Discussion

1799.	Which of the following are not the structural isomers of C6H14 ?
Answer» Which of the following are not the structural isomers of $C_{6} H_{14}$ ?

Discussion

1800.	Which of the following could not be the value of l for n=7?Where, n=principal quantum numberl=azimuthal quantum number
Answer» Which of the following could not be the value of $l$ for $n = 7$ ? Where, $n = principal quantum number l = azimuthal quantum number$

Discussion

Explore topic-wise InterviewSolutions in .

39. Write the formula for the following coordination compounds:3)Iron (III) hexacyanoferrate(II)

What is the basic differences between proton and neutron?

consider the concentration cell Pt|H2(1atm),H+(aH+=x)||H+(aH+=0.1),H2(1atm)|Pt E at 298 K is 0.118V. Calulate the pH of unknown solution

If the total binding energy of the reacting molecules is less than the total binding energy of the product molecules then the difference appears as heat and the reaction is exothermic. Explain.

how to find the formula of copper oxide

Which of the following reactions represents thermite process?

ntrate of formation SO3according to reaction 2SO2+O2=2SO3is .00016kg/min.rate at which so2 reactsis?n

Which gas is evolved when green vitriol is heated?

96 Equimolar concentrations of h2 and i2 are taken in a 2 l flask. If at equilibrium, rate of forward reaction is equal to rate of backward reaction, find the percent of initial concentration of h2 that has reacted at equilibrium.

What is 1 pions2 muons 3 antinutrino

The molecule that has polar covalent, non polar covalent, coordinate and ionic bond among the following

What will happen when alkyl halides reacts with metals

Na+ion is smaller than Na atom while Cl-ion is bigger than Cl atom.Why?

The metal that is not corroded by air, water and acid is-

52 Four faraday of electricity were passed through AgNO3(l), CdSO4(l), AlCl3(l) and PbCl4(l) kept in four vessels using inert electrodes. The ratio of moles of Ag, Cd, Al and Pb deposited will be??

Find the odd one out of the following and explain your choice:(a) Sulphur, Phosphorus, Carbon, Iodine(b) Copper, Lead, Zinc, Mercury

Gas is evolved in which of the chemical reaction?

Question 8 A patient in a hospital is given soup daily in a cylindrical bowl of diameter 7 cm.If the bowl is filled with soup to a height of 4 cm, how much soup the hospital has to prepare daily to serve 250 patients? [Assume π=227]

State differences between the properties of ionic compounds and covalent compounds.

How can universe expand,i f we mass can neither be created nor be destroyed??

Write short notes.a. Mendeleev’s periodic law.b. Structure of the modern periodic table.c. Position of isotopes in the Mendeleev’s and the modern periodic table.

54.For a poly-tropic process pressure P and Volume V is related as PV3 = constant, if gas is mono-atomic what is molar specific heat capacity for it.

100g of a metal of specific heat capacity 0.1 cal g -1 c-1 is heated upon 200 Celsius .then it is immersed into 200g of water at 20 Celsius .What will be temperature of water at thermal equilibrium

Metals above hydrogen in the activity series ___

Which one of the following can be classified as a Bronsted base?

Can electrolysis of molten CaO give us metal Ca

What is the amphoteric oxide among these ?

The product formed when sulphur reacts with oxygen is:

Name the organic compound prepared by each of the following reaction:(i) C2H5COONa + NaOH → (ii) CH3I + 2H− → (iii) C2H5Br + KOH (alcoholic solution) → (iv) CaC2 + 2H2O →

what is redox reaction

The IUPAC name of the given compound is

(a) The pH values of six solutions A to F are given below : A = 0, B = 11, C = 6, D = 3, E = 13, F = 8 Which of the above solutions are (i) acids (ii) alkalis ? (b) Name the acids or alkalis used to make (i) car batteries (ii) explosives (iii) soaps (iv) fertilisers.

A wire of about 2 km can be drawn from a gram of gold. This is because of the property called ______.

How many water molecules are present in one formula unit of CuSO4.5H2O?5

Identify the products of the reaction given below.CH3COOH + Na2CO3→

Why don't electrons radiate energy when revolving in discrete orbits?

Four pairs of compounds are given below. In each pair, one is chiral while the other is achiral. Identify in each pair which is chiral. Choose the from the options given. (I) ClCH2CHOHCH2OH and HOH2C CHClCH2OH (A) (B) (II) CH3CH=CHCH2Br and CH3−CHBrCH=CH2 (III) (A) (B)

What are addition reactions? How are addition reactions of ethene different from ethyne?

Which of the following have double covalent bond?

During electrolytic refining of copper, which of the following is used as an electrolyte?

Iron oxide has formula Fe₀.₉₄O : What fraction of Fe exists as Fe⁺³ ?

Does basic solution conduct electricity

Ethanoic acid+ ethanol -----> ______________ How?

What i's pressure

Write a balanced equation for the production of nitrogen dioxide using copper.

Is an alcohol an acid or base

A. Abrasive jet machining 1. Masking B. PAM 2. Stamping die C. Wire EDM 3. Engraving D. Chemical machining 4. Stainless steel profiling 5. Drilling fine holes

Which of the following are not the structural isomers of C6H14 ?

Which of the following could not be the value of l for n=7?Where, n=principal quantum numberl=azimuthal quantum number