Chemistry Thermodynamics and Thermochemistry IInd & IIIrd Law of Thermodynamics and Entropy ) Single Correct MCQ
Published on: August 13, 2026

The entropy change can be calculated by using the expression, When water freezes in a glass beaker, choose the correct statement amongst the following:

A
decreases but remains the same.
B
increases but decreases.
C
decreases but increases.
D
decreases and also decreases.

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The correct answer is:
C

As water freezes from liquid to solid, randomness decreases, i.e. decreases. Heat released during the process, is absorbed by the surrounding hence, increases.

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