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Among solid ice, liquid water, and water vapour at the same temperature, entropy is:
AHighest in vapour, since gas has the most disorder
BHighest in ice, since the crystal is most ordered solid
CEqual in all three, since temperature alone fixes entropy
DHighest in liquid water, since it has intermediate disorder
Answer & Solution
Correct answer: A. Highest in vapour, since gas has the most disorder
Gas phase has the highest entropy due to maximum disorder.
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