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Assertion(A) : For the combustion reacti...

Assertion(A) : For the combustion reactions, the value of `DeltaH` is always negative.
Reason(R ) : The combustion reactions are always endothermic.

A

If both assertion and reason are true and the reason is the correct explanation of the assertion.

B

If both assertion and reason are true but reason is not the correct explanation of the assertion

C

If assertion is true but reason is false

D

If the assertion and reason both are false.

Text Solution

Verified by Experts

The correct Answer is:
C
Combustion reaction are always accompanied by the evolution of heat therefore, for such reactions the value of `DeltaH` is always negative.
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