Q57
The fusion of a crystalline solid at its melting point to form a liquid at the same temperature is accompanied by
A.
Decrease in enthalpy corresponding to evolution of heat
B.
Decrease of entropy
C.
Increase in enthalpy corresponding to absorption of heat
AnswerD.
No change in enthalpy
Answer: Option C
Solution
Answer: Option C
Solution:
During fusion process the heat is absorbed by the solid to convert to liquid leading to increase in enthalpy.