10223 + Interview Questions in Chemistry Page 87 InterviewSolution

4301.	Simple whole number ratio meaning
Answer» Simple whole number ratio meaning

Discussion

4302.	What are the properties of ionic compounds
Answer» What are the properties of ionic compounds

Discussion

4303.	Which of the following is true for modern periodic table?
Answer» Which of the following is true for modern periodic table?

Discussion

4304.	Elimination 2 reaction mechanism shows primary kinetic isotope effect. Explain.
Answer» Elimination 2 reaction mechanism shows primary kinetic isotope effect. Explain.

Discussion

4305.	0.5 faraday of electricity was passed to deposit allthe copper present in 500 ml of CuSO solutionWhat was the molarity of this solution?(1) 1 M(3) 0.25 M(4) 2.5 M
Answer» 0.5 faraday of electricity was passed to deposit allthe copper present in 500 ml of CuSO solutionWhat was the molarity of this solution?(1) 1 M(3) 0.25 M(4) 2.5 M

Discussion

4306.	21. An alloy of copper, silver and gold is found to have copper constituting the ccp lattice. If silver atoms occupy the edge centres and gold is present at body centre, what is the formula of alloy ?
Answer» 21. An alloy of copper, silver and gold is found to have copper constituting the ccp lattice. If silver atoms occupy the edge centres and gold is present at body centre, what is the formula of alloy ?

Discussion

4307.	Define the following [3 MARKS] 1. Homoatomic molecule 2. Heteroatomic molecule 3. Polyatomic ion
Answer» Define the following [3 MARKS] 1. Homoatomic molecule 2. Heteroatomic molecule 3. Polyatomic ion

Discussion

4308.	Question 1.Write the basic difference in physical properties of the three states of matter.
Answer» Question 1. Write the basic difference in physical properties of the three states of matter.

Discussion

4309.	The ionization constant of a weak acid is 1.6×10−5 and the molar conductivity at infinite dilution is 380×10−4 S m2 mol−1. If the cell constant is 0.01 m−1 then conductance of 0.01 M acid solution is :
Answer» The ionization constant of a weak acid is $1.6 \times 10^{- 5}$ and the molar conductivity at infinite dilution is $380 \times 10^{- 4} S m^{2} m o l^{- 1} .$ If the cell constant is $0.01 m^{- 1}$ then conductance of $0.01 M$ acid solution is :

Discussion

4310.	Explain the main principles of distillation
Answer» Explain the main principles of distillation

Discussion

4311.	Assertion:- I2Cl6 is planar but Al2Cl6 is non-planar. Reason:- Both compounds having all identical bonds. Also explain
Answer» Assertion:- I2Cl6 is planar but Al2Cl6 is non-planar. Reason:- Both compounds having all identical bonds. Also explain

Discussion

4312.	Question 3 (c)Pragya tested the solubility of three different substances at different temperatures and collected the data as given below (results are given in the following table, as grams of substance dissolved in 100 grams of water to form a saturated solution).c. Find the solubility of each salt at 293 K. Which salt has the highest solubility at this temperature?
Answer» Question 3 (c) Pragya tested the solubility of three different substances at different temperatures and collected the data as given below (results are given in the following table, as grams of substance dissolved in 100 grams of water to form a saturated solution). c. Find the solubility of each salt at 293 K. Which salt has the highest solubility at this temperature?

Discussion

4313.	Smoke and fog both are aerosols. In what way are they different?
Answer» Smoke and fog both are aerosols. In what way are they different?

Discussion

4314.	Why phousphous shows 3 and 5 valence?
Answer» Why phousphous shows 3 and 5 valence?

Discussion

4315.	Which of the following pairs does not contain unsaturated hydrocarbons?
Answer» Which of the following pairs does not contain unsaturated hydrocarbons?

Discussion

4316.	27. In CH3-CH-NH2-CH=CH2, the compound is named 3-Amino but-1-ene. Why is the Carbon atom attached with -NH2 group numbered 3 and not 2, as according to order of preference-NH2 group should come first than double bond?
Answer» 27. In CH3-CH-NH2-CH=CH2, the compound is named 3-Amino but-1-ene. Why is the Carbon atom attached with -NH2 group numbered 3 and not 2, as according to order of preference-NH2 group should come first than double bond?

Discussion

4317.	33. Which has maximum molecules? a) 7g N2o b)20g H2 c)16g No2 d)16gSO2
Answer» 33. Which has maximum molecules? a) 7g N2o b)20g H2 c)16g No2 d)16gSO2

Discussion

4318.	In which of the following evaporation or condensation is responsible for rainfall?
Answer» In which of the following evaporation or condensation is responsible for rainfall?

Discussion

4319.	Carbon and silicon belong to (IV) group. The maximum coordination number of carbon in commonly occurring compounds is 4, whereas that of silicon is 6. This is due to
Answer» Carbon and silicon belong to (IV) group. The maximum coordination number of carbon in commonly occurring compounds is 4, whereas that of silicon is 6. This is due to

Discussion

4320.	Which amongst the following metals does not undergo corrosion?
Answer» Which amongst the following metals does not undergo corrosion?

Discussion

4321.	What is the uniform motion
Answer» What is the uniform motion

Discussion

4322.	23.If the concentration of OH negative ions in the reaction Fe(OH)3reversible Fe3+ +3OH- is decreased by 1/4 times then equilibrium concentration of Fe3+ will increase by
Answer» 23.If the concentration of OH negative ions in the reaction Fe(OH)3reversible Fe3+ +3OH- is decreased by 1/4 times then equilibrium concentration of Fe3+ will increase by

Discussion

4323.	Match List I with List II and select the correct answer using the codes given below the lists List I (Compound) List II (Oxidation state of N) (A) NO2 (1) +5 (B) HNO (2) -3 (C) NH3 (3) +4 (D) N2O5 (4) +1
Answer» Match List I with List II and select the correct answer using the codes given below the lists List I (Compound) List II (Oxidation state of N) (A) NO2 (1) +5 (B) HNO (2) -3 (C) NH3 (3) +4 (D) N2O5 (4) +1

4323.

Match List I with List II and select the correct answer using the codes given below the lists List I (Compound) List II (Oxidation state of N) (A) NO2 (1) +5 (B) HNO (2) -3 (C) NH3 (3) +4 (D) N2O5 (4) +1

Answer»

Match List I with List II and select the correct answer using the codes given below the lists

List I (Compound) List II (Oxidation state of N)

(A) NO2 (1) +5

(B) HNO (2) -3

(C) NH3 (3) +4

(D) N2O5 (4) +1

Discussion

4324.	An element has atomic number 29 and mass number 62. The number of the neutrons in its nucleus is -
Answer» An element has atomic number 29 and mass number 62. The number of the neutrons in its nucleus is -

Discussion

4325.	29. Find Acidic order: 1) carboxylic acid 2) picric acid 3) sulphonic acid
Answer» 29. Find Acidic order: 1) carboxylic acid 2) picric acid 3) sulphonic acid

Discussion

4326.	The level of element X in the soil is increased with the help of bacterium Rhizobium. Name the element X.
Answer» The level of element X in the soil is increased with the help of bacterium Rhizobium. Name the element X.

Discussion

4327.	Potassium ferrocyanide is used for the detection of
Answer» Potassium ferrocyanide is used for the detection of

Discussion

4328.	Property of the alkaline earth metals that increases with their atomic number is
Answer» Property of the alkaline earth metals that increases with their atomic number is

Discussion

4329.	explain - although air is a homogeneous mixture within troposheric limits but in the atmospheric column it is heterogeneous
Answer» explain - although air is a homogeneous mixture within troposheric limits but in the atmospheric column it is heterogeneous

Discussion

4330.	What are the uses of castration
Answer» What are the uses of castration

Discussion

4331.	If the temperature of Arid/Desserted land is 333K, What is its reading on Celcius Scale?
Answer» If the temperature of Arid/Desserted land is 333K, What is its reading on Celcius Scale?

Discussion

4332.	22.Explain Hubble's law in details.
Answer» 22.Explain Hubble's law in details.

Discussion

4333.	How melting point of a solid is an indication of the strength of force of attraction between its particles?
Answer» How melting point of a solid is an indication of the strength of force of attraction between its particles?

Discussion

4334.	The count rate observed from a radioactive source at t second was N0 and at 4t second it was N016. The count rate observed, at 112t second will be
Answer» The count rate observed from a radioactive source at $t second$ was $N_{0}$ and at $4 t second$ it was $\frac{N_{0}}{16}$ . The count rate observed, at $\frac{11}{2} t second$ will be

Discussion

4335.	49.Why half filled electronic configuration are more stable than full filled electronic configurations
Answer» 49.Why half filled electronic configuration are more stable than full filled electronic configurations

Discussion

4336.	What is the name of the process in which: (a) a solid turns directly into a gas (b) a gas turns directly into a solid?
Answer» What is the name of the process in which: (a) a solid turns directly into a gas (b) a gas turns directly into a solid?

4336.

What is the name of the process in which: (a) a solid turns directly into a gas (b) a gas turns directly into a solid?

Answer»

What is the name of the process in which:

(a) a solid turns directly into a gas (b) a gas turns directly into a solid?

Discussion

4337.	Which of the following substances does not undergo sublimation?
Answer» Which of the following substances does not undergo sublimation?

Discussion

4338.	Na+ has completely filled K and L shells. Explain
Answer» Na⁺ has completely filled K and L shells. Explain

Discussion

4339.	What do you mean by electrolysis of water?
Answer» What do you mean by electrolysis of water?

Discussion

4340.	Q1) Complete the folloaing reaction C6H6+HCHO+HCL---
Answer» Q1) Complete the folloaing reaction C6H6+HCHO+HCL---

Discussion

4341.	Fod the primary valency of1)[co(nh3)cl]cl22) [Co(NH3)2CL4]CL6
Answer» Fod the primary valency of 1)[co(nh3)cl]cl2 2) [Co(NH3)2CL4]CL6

Discussion

4342.	How many Faraday's of charge are required to reduce 1 mole of Cr2O2−7 to Cr3+
Answer» How many Faraday's of charge are required to reduce 1 mole of ${C r}_{2} O_{7}^{2 -}$ to ${C r}^{3 +}$

Discussion

4343.	When chlorine reacts with water what are the final products?
Answer» When chlorine reacts with water what are the final products?

Discussion

4344.	sodium and oxygen combines to form two compounds of na2o .the percentage of sodium is 59%.find the formula of another
Answer» sodium and oxygen combines to form two compounds of na2o .the percentage of sodium is 59%.find the formula of another

Discussion

4345.	The homogeneous solids, arranged symmetrically, directed at definite angles and having a definite geometrical shapes are called _______ .
Answer» The homogeneous solids, arranged symmetrically, directed at definite angles and having a definite geometrical shapes are called _______ .

Discussion

4346.	What is inertia and what is meant by matter possesses inertia?
Answer» What is inertia and what is meant by matter possesses inertia?

Discussion

4347.	One mole of oxygen atom weighs 16 grams, what will be the mass (in grams) of 0.4 moles of oxygen atoms?
Answer» One mole of oxygen atom weighs 16 grams, what will be the mass (in grams) of 0.4 moles of oxygen atoms?

Discussion

4348.	Electron can be extracted most easily from which of the following elements?
Answer» Electron can be extracted most easily from which of the following elements?

Discussion

4349.	Na2CO3 does not decompose on heating where as CaCO3 decomposes. Why?
Answer» $N a_{2} C O_{3}$ does not decompose on heating where as $C a C O_{3}$ decomposes. Why?

Discussion

4350.	Which of the following compounds react with SbF5 ?
Answer» Which of the following compounds react with $S b F_{5}$ ?

Discussion

Explore topic-wise InterviewSolutions in .

Simple whole number ratio meaning

What are the properties of ionic compounds

Which of the following is true for modern periodic table?

Elimination 2 reaction mechanism shows primary kinetic isotope effect. Explain.

0.5 faraday of electricity was passed to deposit allthe copper present in 500 ml of CuSO solutionWhat was the molarity of this solution?(1) 1 M(3) 0.25 M(4) 2.5 M

21. An alloy of copper, silver and gold is found to have copper constituting the ccp lattice. If silver atoms occupy the edge centres and gold is present at body centre, what is the formula of alloy ?

Define the following [3 MARKS] 1. Homoatomic molecule 2. Heteroatomic molecule 3. Polyatomic ion

Question 1.Write the basic difference in physical properties of the three states of matter.

The ionization constant of a weak acid is 1.6×10−5 and the molar conductivity at infinite dilution is 380×10−4 S m2 mol−1. If the cell constant is 0.01 m−1 then conductance of 0.01 M acid solution is :

Explain the main principles of distillation

Assertion:- I2Cl6 is planar but Al2Cl6 is non-planar. Reason:- Both compounds having all identical bonds. Also explain

Smoke and fog both are aerosols. In what way are they different?

Why phousphous shows 3 and 5 valence?

Which of the following pairs does not contain unsaturated hydrocarbons?

27. In CH3-CH-NH2-CH=CH2, the compound is named 3-Amino but-1-ene. Why is the Carbon atom attached with -NH2 group numbered 3 and not 2, as according to order of preference-NH2 group should come first than double bond?

33. Which has maximum molecules? a) 7g N2o b)20g H2 c)16g No2 d)16gSO2

In which of the following evaporation or condensation is responsible for rainfall?

Carbon and silicon belong to (IV) group. The maximum coordination number of carbon in commonly occurring compounds is 4, whereas that of silicon is 6. This is due to

Which amongst the following metals does not undergo corrosion?

What is the uniform motion

23.If the concentration of OH negative ions in the reaction Fe(OH)3reversible Fe3+ +3OH- is decreased by 1/4 times then equilibrium concentration of Fe3+ will increase by

Match List I with List II and select the correct answer using the codes given below the lists List I (Compound) List II (Oxidation state of N) (A) NO2 (1) +5 (B) HNO (2) -3 (C) NH3 (3) +4 (D) N2O5 (4) +1

An element has atomic number 29 and mass number 62. The number of the neutrons in its nucleus is -

29. Find Acidic order: 1) carboxylic acid 2) picric acid 3) sulphonic acid

The level of element X in the soil is increased with the help of bacterium Rhizobium. Name the element X.

Potassium ferrocyanide is used for the detection of

Property of the alkaline earth metals that increases with their atomic number is

explain - although air is a homogeneous mixture within troposheric limits but in the atmospheric column it is heterogeneous

What are the uses of castration

If the temperature of Arid/Desserted land is 333K, What is its reading on Celcius Scale?

22.Explain Hubble's law in details.

How melting point of a solid is an indication of the strength of force of attraction between its particles?

The count rate observed from a radioactive source at t second was N0 and at 4t second it was N016. The count rate observed, at 112t second will be

49.Why half filled electronic configuration are more stable than full filled electronic configurations

What is the name of the process in which: (a) a solid turns directly into a gas (b) a gas turns directly into a solid?

Which of the following substances does not undergo sublimation?

Na+ has completely filled K and L shells. Explain

What do you mean by electrolysis of water?

Q1) Complete the folloaing reaction C6H6+HCHO+HCL---

Fod the primary valency of1)[co(nh3)cl]cl22) [Co(NH3)2CL4]CL6

How many Faraday's of charge are required to reduce 1 mole of Cr2O2−7 to Cr3+

When chlorine reacts with water what are the final products?

sodium and oxygen combines to form two compounds of na2o .the percentage of sodium is 59%.find the formula of another

The homogeneous solids, arranged symmetrically, directed at definite angles and having a definite geometrical shapes are called _______ .

What is inertia and what is meant by matter possesses inertia?

One mole of oxygen atom weighs 16 grams, what will be the mass (in grams) of 0.4 moles of oxygen atoms?

Electron can be extracted most easily from which of the following elements?

Na2CO3 does not decompose on heating where as CaCO3 decomposes. Why?

Which of the following compounds react with SbF5 ?