MCQs on Thermodynamics for NEET & JEE Chemistry Solved MCQ Test Series, Practice Questions NEET, IIT JEE Main, AIIMS, NTSE Q1. Which ty...

## MCQs on Thermodynamics for NEET & JEE

Chemistry Solved MCQ Test Series, Practice Questions

NEET, IIT JEE Main, AIIMS, NTSE

Q1. Which type of ideal gas will have the largest value for Cp – Cv?

• (A) Monoatomic
• (B) Diatomic
• (C) Polyatomic
• (D) The value will be the same for all.

Solution:- The correct option is (D).

Q2. Consider an ideal heat pump and a perfect electric heater. The electric heater converts 100% of the electrical energy into heat energy; the heat pump converts 100% of the electrical energy into work, which then powers a Carnot refrigerator. Which is the more “efficient” way to heat a home? (Ignore maintenance or start-up costs.)

• (A) The electric heater is always more efficient.
• (B) The heat pump is always more efficient.
• (C) The heat pump is more efficient if the outside temperature is not too cold.
• (D) The heat pump is more efficient if the outside temperature is not too cold.

Solution:- The correct option is (C).

Q3. Which of the following is a consequence of the second law of thermodynamics?

• (A) Heat can flow only from high temperature to low temperature.
• (B) Objects in contact will tend toweard having the same temperature.
• (C) Any system that produces order from disorder must have

Solution:- The correct option is (C).

Q4. For which of the following process is the entropy change zero?

• (A) Isobaric
• (B) Isothermal
• (D) Constant volume
• (E) None of these, since Î”S > 0 for all process.

Solution:- The correct option is (C) adiabatic.

Q5: Which of the following statements is correct?

a. Only internal energy is a state function but not work.

b. Only work is a state function but not internal energy.

c. Both internal energy and work are state functions.

d. Neither internal energy nor work is a state function.

Q6: The amount of water that can be dissociated by the amount of heat liberated when 49 g H2SO4 and 20 g NaOH are mixed and reacted in aqueous solution is:

a. 1.803

b. 3.58

c. 0.895

d. 17.9

Q7. Warming ammonium chloride with sodium hydroxide in a test tube is an example of:

a. Closed system

b. Isolated system

c. Open system

d. None of these

a. Q = 0

b. ∆E = 0

c. ∆W = 0

d. ∆V = 0

Q9. A tightly closed thermoflask contains some ice cubes. This constitutes

a. closed system

b. open system

c. isolated system

d. Non-thermodynamic system

Name

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Advanced Chemistry: MCQs on Thermodynamics for NEET & JEE -2
MCQs on Thermodynamics for NEET & JEE -2