Question

Select the incorrect expression from the following.

• A. $\Delta S_{\text {total }}=\Delta S_{\text {system }}+\Delta S_{\text {surr }}$
• B. $\Delta S_{\text {surr }}=\frac{\Delta H_{\text {surr }}}{T}=-\frac{\Delta H_{\text {sys }}}{T}$
• C. $\Delta S_{\text {total }}<0$ (spontaneous process)
• D. $\Delta G=\Delta H-T \Delta S$

Answer 1

Answer: (C)

Option (c) is incorrect.
It's correct form is as follows :
For a spontaneous process, $\Delta S>0$.
Rest other expressions are correct.