300+ TOP MCQs on Reversible And Irreversible Reaction and Answers

NEET  Chemistry is the very imporatant paper in the Medical Entrance EXAM. So these NEET Chemistry MCQs with Answers for all Concepts as per the new syllabus. Practice daily with these NEET Chemistry objective questions on air pollution. NEET Chemistry Reversible And Irreversible Reaction Multiple Choice Questions

MCQs on Reversible And Irreversible Reaction :

1. The net energy change in a reversible cyclic process is
(A) 3/2 RT
(B) zero
(C) always > 0
(D) always < 0

Answer

Answer: (b)

2. Which of the following is an extensive property?
(A) temperature
(B) pressure
(C) mass/volume ratio
(D) energy

Answer

Answer: (d)

3. Which of the following represents the largest amount of energy?
(A) 1 electron volt
(B) 1 erg
(C) 1 calorie
(D) 1 joule

Answer

Answer: (c)

4. Which of the following is correct for an adiabatic process?
(A) ?E = q
(B) q = 0
(C) q = +w
(D) P? V = 0

Answer

Answer: (b)

5. The mixing of gases is generally accompanied by
(A) decrease in entropy
(B) a decrease in free energy
(C) change in heat content
(D) increase in free energy

Answer

Answer: (b)

6. One litre atmosphere is approximately equal o
(A) 101J
(B) 8.314J
(C) 931J
(D) 19.2J

Answer

Answer: (a)

7. The enthalpy change for a given reaction at 298K is -x J/mol. If the reaction occurs spontaneously at 298K the entropy change at that temperature
(A) can be negative but larger than x/298
(B) can be negative but smaller than x/298
(C) cannot be negative
(D) cannot be positive

Answer

Answer: (b)

8. The initial energy change (?U) of a process does not depend upon
(A) amount of substance undergoing the change
(B) temperature
(C) path of the process
(D) nature of substance undergoing the change

Answer

Answer: (c)

9. Vibrational energy is
(A) partial potential and partly kinetic
(B) only potential
(C) only kinetic
(D) neither kinetic nor potential

Answer

Answer: (a)

10. The total entropy change for a system and its surroundings increases if a process is
(A) exothermic
(B) endothermic
(C) reversible
(D) irreversible

Answer

Answer: (d)