A chemical reaction cannot occur at all if - Vidyadip

MCQ

A chemical reaction cannot occur at all if

✓
$\Delta H$ value is positive and $\Delta S$ value is negative
B
$\Delta H$ value is negative and $\Delta S$ value is positive
C
$\Delta H$ and $\Delta S$ values are negative but $\Delta H\,>\,T\Delta S$
D
$\Delta H$ and $\Delta S$ values are positive but $\Delta H\,>\,T\Delta S$

✓

Answer

Correct option: A.

$\Delta H$ value is positive and $\Delta S$ value is negative

a

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