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Which of the following is always feasibl...

Which of the following is always feasible ?

A

`DeltaH = T Delta S`

B

`DeltaH (+ve) , T DeltaS (-ve) and Delta H gt T Delta S`

C

`Delta H (-ve) , T DeltaS (+ve) and DeltaH lt T Delta S`

D

`Delta Hb(-ve) , T DeltaS (-ve) and DeltaH lt T DeltaS`

Text Solution

Verified by Experts

The correct Answer is:
C
Feasibility of reaction is determined by free energy change value `(DeltaG)` . `DeltaG` is given by gibbs-Helmhots equation:
`DeltaG=DeltaH-T DeltaS`
Reaction is feasible if `DeltaG` value is negative . Therefore, if `DeltaH` is negative and `T DeltaS` is positive then the `DeltaG` will always be feasible .
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