Which of the following conditions may lead to a non-spontaneous change?

Options

A. Positive `Delta H` and positive `Delta S`
B. Negative `Delta H` and negative `DeltaS`
C. Positive `Delta H` and negative `Delta S`
D. Negative `Delta H` and positive `Delta S`

Answer

C

Explanation

When `Delta H` = +ve and `Delta S` = -ve reaction is non -spontaneous.