Chemical Thermodynamics Question 26
Question: Identify the correct statement regarding entropy [CBSE PMT 1998; BHU 2001]
Options:
A) At $ 0^{o}C $ , the entropy of a perfectly crystalline substance is taken to be zero
B) At absolute zero of temperature, the entropy of a perfectly crystalline substance is $ +ve $
C) At absolute zero of temperature, the entropy of all crystalline substances is taken to be zero
D) At absolute zero of temperature, the entropy of a perfectly crystalline substance is taken to be zero
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Answer:
Correct Answer: D
Solution:
This is the statement of third law of thermodynamics.