# IIT JAM 2022 Chemistry MCQs with Answers of Thermodynamics and Thermochemistry

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Here is a compilation of Free  Thermodynamics and Thermochemistry  MCQs  for practice . It  consists of IIT JAM Chemistry Multiple Choice Questions from the Chapter Thermodynamics and Thermochemistry with Answer Key. These questions can be very useful for the preparation of all the competitive examinations in Chemistry such as IIT JAM, BHU, JNU, DU, HCU and other University M.Sc Entrance Examinations . Practice  Thermodynamics and Thermochemistry MCQ (Multiple Choice Questions) with Answers which is very important for students who want to score good marks in their respective examinations.

## Thermodynamics and Thermochemistry with answers 2022 for IIT JAM, BHU, JNU, DU, HCU and other University M.Sc Entrance Examinations

Some Thermodynamics and Thermochemistry MCQs with answers are listed  below. So, practice these  MCQs and test yourself …

1. According to the cyclic rule, (∂P/∂V)T (∂V/∂T)P (∂T/∂P)V is equal to

(a) 0
(b) positive
(c) negative
(d) infinity

2. The value of 3000 Joule is equal to

(a) > 30 Litre-atm
(b) < 30 Litre-atm
(c) = 30 Litre-atm
(d) None of these

3. The value of 1 Joule = Mn litre-bar in n = -1 then the value of M is

(a) 10
(b) 100
(c) 10-2
(d) 104

4. The correct thermodynamic relations among the following is

(a) (∂U/∂V)S = -P
(b) (∂H/∂V)S = -P
(c) (∂G/∂V)S = -P
(d) (∂A/∂V)S = -S

5. Which of the following is not an exact differential?

(a) dQ (Q = heat absorbed)
(b) dU (U = internal energy)
(c) dS (S = entropy)
(d) dG (G = free energy)

6. According to one of the Maxwell reactions, (∂V/∂P)T = (∂P/∂T)V. Hence for 1 mole of an ideal gas, (∂V/∂P)T is equal to

(a) P/T
(b) T/P
(c) PT
(d) P/V

7. From Maxewall thermodynamics relation. The value of p may be obtained in terms of first partial derivatives of thermodynamic potential

(a) G, U
(b) G, A
(c) A, U
(d) H, U

8. The value of (∂G/∂T)p is equal to

(a) (∂A/∂T)V
(b) (∂A/∂V)T
(c) (∂U/∂T)V
(d) (∂A/∂T)p

9. The value of (∂S/∂P)T is equal to

(a) (∂V/∂T)p
(b) – (∂V/∂P)T
(c) – (∂V/∂T)p
(d) (∂V/∂P)T

10. The thermodynamic potential which must be negative for spontaneous process at constant temperature and at constant pressure

(a) G
(b) H
(c) A
(d) U

I1. Aprocess is carried out at constant volume and at constant entropy. It will be spontaneous if:

(a) ΔG < 0
(b) ΔU < 0
(c) ΔA < 0
(d) ΔH < 0

12. Which of the following is not an endothermic reaction?

(a) Combustion of methane
(c) Dehydrogenation ofethane to ethylene
(b) Decomposition of water
(d) Conversion of graphite to diamond

13. ΔfH° is non zero for

(a) Br2 (l)
(b) O2 (g)
(c) C graphite
(d) NO (g)

14. Heat of formation of a compound is equal to magnitude to its

(a) heat of reaction
(b) heat of decomposition
(c) heat of combustion
(d) heat of solution

15. If total enthalpies of reactants and products are HR & HP respectively, then for an endothermic reaction.

(a) HR < HP
(b) HR = HP
(c) HR > HP
(d) HR ≥ HP

Hope the information shed above regarding Thermodynamics and Thermochemistry MCQs with answers 2022 for IIT JAM, BHU, JNU, DU, HCU and other University M.Sc Entrance Examinations  . If you have any queries regarding this post and if you find any answer wrong , feel free to reach us so that we can revert back to us at the earliest possible.

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