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Which of the following thermodynamic pro...

Which of the following thermodynamic properties must be associated with a reaction spontaneous at only high temperatures

A

`DeltaHlt0,DeltaSlt0`

B

`DeltaHlt0,DeltaSgt0`

C

`DeltaHgt0,DeltaSgt0`

D

`DeltaHgt0,DeltaSlt0`

Text Solution

Verified by Experts

The correct Answer is:
C
`DeltaG=DeltaH-TDelta`
`(+ve)-(=ve)`
`DeltaG=-ve` only at high temp.
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