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When enthalpy and entropy change for a c...

When enthalpy and entropy change for a chemical reaction are `-2.5 xx10^(3)` cals and `7.4` cals `deg^(-1)` respectively. Predict that reaction at 298 K is

A

Spontaneous

B

Reversible

C

Irreversible

D

Non-spontaneous

Text Solution

Verified by Experts

The correct Answer is:
A
When `DeltaH=-ve, DeltaS=+ve` and `DeltaG=-ve` than reaction is spontaneous.
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Knowledge Check

  • When the heat of a reaciton at constant pressure is -25 xx 10^(-3) cal and entropy change for the reaction is 7.4 cal "deg"^(-1) , it is predicted that the reaction at 25^(@)C is

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    B
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    B
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