Chemistry

1. In P versus V graph, the horizontal line is found in which _________ exits.

Gas

Super critical temperature

Equilibrium between gas and liquid

Liquid

Question 1 of 15

2. Gold has a face centered cubic lattice with an edge length of the unit cube of 407 pm. Assuming the closest packing, the diameter of the gold atom is

287.8 pm

352.5 pm

576.6 pm

704.9 pm

Question 2 of 15

3. An AB₂ type structure is found in

A1₂O₃

NaC1

CaF₂

N₂O²

Question 3 of 15

4. If Z is the number of atoms in the unit cell that represents the closest packing sequence …. ABC ABC……., the number of tetrahedral voids in the unit cell is equal to:

Z/2

Z/4

Question 4 of 15

5. Which of the following compounds show sublimation?

BaSO₄

NH₄C1

CaCO₃

CaHPO₃

Question 5 of 15

6. What is the coordination number of sodium in Na₂O?

Question 6 of 15

7. Amongst the following statements, the correct one is:

At critical temperature liquid and gaseous phase can be distinguished.

The gas cannot be compressed below the critical temperature

An ideal gas has a characteristic critical temperature.

Below critical temperature, thermal motion of the molecules is slow enough for the intermolecular forces to come into play leading to condensation of the gas.

Question 7 of 15

8. Schottky defect defines imperfection in the lattice structure of

Gas

Solid

Liquid

Plasma

Question 8 of 15

9. Which equation shows correct form of Berthelot equation?

(P + a/TV²) (V + b) = RT

(P + a/T(V – C)²) (V – b) = RT

(P + a/T(V + C)²) (V – b) = RT

(P + a/TV²)(V – b) = RT

Question 9 of 15

10. The Ca²⁺ and F⁻ are located in CaF₂ crystal, respectively at face centre cubic lattice points and in

Half of octahedral voids

Half of tetrahedral voids

Tetrahedral voids

Octahedral voids

Question 10 of 15

11. The inversion temperature T_i(K) of hydrogen is (given van der Waal’s constants a and b are 0.244 atm L² mol⁻² and 0.027 L mol⁻¹ respectively)

220

440

330

110

Question 11 of 15

12. Coordination numbers of Zn²⁺ and S²⁻ in the crystal structure of wurtzite are

8, 4

6, 6

8, 8

4, 4

Question 12 of 15

13. The compound, molecular in nature in gas phase but ionic in solid state is:

CC1₄

PC1₅

POC1₃

PC1₃

Question 13 of 15

14. If P is pressure and ρ is density of a gas, then P and ρ are related as

P∝(1/ρ²)

P∝ ρ²

P∝ (1/ρ)

P∝ ρ (1/ρ)

Question 14 of 15

Uncategorized

15. The volume-temperature graphs of a given mass of an ideal gas at constant pressure are shown below.

What is the correct order of pressures?

p₂ > p₃ > p₁

p₁ > p₃ > p₂

p₂ > p₁ > p₃

p₁ > p₂ > p₃

Question 15 of 15

Test Name	Solid & Gaseous State MCQs Test
Subject	Chemistry
Test Type	MCQs
Total Question	15
Total Marks	30
Total Time	15 Mints
Test Help For	Chemistry Subject Test. All Jobs tests Prep. BDS Test Preparation. Engineering Test Prep. B Tech Test preparation.

Test By Subject	Chemistry
Test By Topics	Chemistry Subject

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