1.

Assertion : Rate of reaction CD_(4)+Cl_(2)rarr" Slow"CH_(4)+Cl_(2)rarr"Fast." Reason : Due to isotopic effect.

Answer»

If both ASSERTION & REASON are True & the Reason is a CORRECT explanation of the Assertion.
If both Assertion & Reason are True but Reason is not a correct explanation of the Assertion.
If Assertion is True but the Reason is False.
If both Assertion & Reason are False.

Answer :A


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