Q38
Which of the following is not a reversible process ?
A.
Expansion of an ideal gas against constant pressure
B.
Atmospheric pressure vaporisation of water at 100°C
C.
Solution of NaCl in water at 50°C
AnswerD.
None of these
Answer: Option C
Solution
Answer: Option C
Solution:
Since the entropy of mixing is positive we can say the mixing process or solution formation process is an irreversible process.