NEET2024Chemistry-Thermodynamics

NEET 2024 Chemistry Entropy Multiple Correct Question

Type: Multiple Correct-conceptual-Medium-Class 11

In which of the following processes entropy increases?

A. A liquid evaporates to vapour.

B. Temperature of a crystalline solid lowered from 130 K to 0 K.

C. 2 NaHCO₃(s) → Na₂CO₃(s) + CO₂(g) + H₂O(g)

D. Cl₂(g) → 2 Cl(g)

Choose the correct answer from the options given below:

A

A, C and D

B

C and D

C

A and C

D

A, B and D

Correct Answer

Option A

Detailed Explanation

Entropy increases when a liquid evaporates (A), during decomposition reactions producing gases (C), and when a diatomic molecule dissociates into atoms (D).

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