Chemical Thermodynamics Chapter 4 Chemistry Class 12 Textbook Solution

1. Select the most apropriate option.

iii. In which of the following, entropy of the system decreases?
a. Crystallization of liquid into solid
b. Temperature of crystalline solid is increased from 0 K to 115 K
c. H2(g) → 2H(g)
d. 2 NaHCO3(s)→ Na2CO3(s) + CO2(g) + H2O(g)

Answer:- 

 Crystallization of liquid into solid

Chemical Thermodynamics Chapter 4 Chemistry Class 12 Textbook Solution