Chemistry-Entropy

NEET Chemistry Entropy MCQ Question

Type: MCQ-conceptual-Easy-Class 11

Which of the following combinations correctly describe the behavior of entropy in a system?

A

Entropy increases when a gas expands and decreases when a liquid crystallizes into a solid.

B

Entropy is highest in a crystalline solid state compared to a gaseous state.

C

An increase in temperature always leads to a decrease in entropy.

D

Entropy changes can only be observed in irreversible processes, not in reversible ones.

Correct Answer

Option A

Detailed Explanation

Entropy increases when a gas expands due to greater disorder, and it decreases when a liquid crystallizes into a solid, indicating a more ordered state as stated in the NCERT context.

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