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For a reaction to occur spontaneously...

For a reaction to occur spontaneously

A

`DeltaS` must be negative

B

`(-DeltaH+T DeltaS)` must be positive

C

`DeltaH - TDeltaS` must be negative

D

`DeltaH` must be negative

Text Solution

Verified by Experts

The correct Answer is:
B

`(DeltaG)_("system")=DeltaH-T.DeltaS`
and `" "DeltaH-T.DeltaSlt0`
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