Question

Which of the following statements is not correct?

• A. For a spontaneous process, $\Delta G$ must be negative.
• B. Enthalpy, entropy, free energy etc. are state variables.
• C. A spontaneous process is reversible in nature.
• D. Total of all possible kinds of energy of a system is called its internal energy.

Answer 1

Answer: (C)

A spontaneous process is reversible in nature.

Answer 2

: Irreversible processes are also spontaneous.