Question

For a process to occur spontaneously:

• A. only the entropy of the system must increase
• B. only the entropy of the surroundings must increase
• C. either the entropy of the system or that of the surroundings must increase
• D. the total entropy of the system and the surroundings must increase

Answer 1

Answer: (D)

the total entropy of the system and the surroundings must increase

For a spontaneous reaction, the entropy of the universe should increase, i. e. total entropy of system and the surrounding must increase.