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Assertion (A): May endothermic reaction...

Assertion (A): May endothermic reactions that are not spontaneous at room temperature become spontaneous at high temperature.
Reason (R ) : Entropy of the system increases with increase in temperature.

A

If both (A) and (R) are correct and (R) is the correct reason for (A).

B

If both (A) and (R) are correct but (R) is not the correct explanation for (A).

C

If (A) is true but (R) is false

D

If both (A) and (R) are false.

Text Solution

Verified by Experts

The correct Answer is:
B
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Statement-1 : Many endothermic reactions that are not spontaneous at room temperature become spontaneous at high temperatures. Statement-2: Energy of the system increases with increase in temperature.

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Assertion: All endothermic reactions which are non-spontaneous at room temperature become spontaneous at high temperatures. Reason : Endothermic reactions become spontaneous if DeltaS is positive and TDeltaS gt DeltaH .

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