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Assertion (A): The enthalpy of formation...

Assertion (A): The enthalpy of formation of `H_(2)O(l)` is greater than that of `H_(2)O(g)`.
Reason (R ) : Enthalpy change is negative for the condensation reaction `H_(2)O(g) rarr H_(2)O(l)`.

A

If both Assertion & Reason are True & the Reason is a correct explanation of the Assertion.

B

If both Assertion & Reason are True but Reason is not a correct explanation of the Assertiion.

C

If Assertion is True but the Reason is False.

D

If both Assertion & Reason are False

Text Solution

Verified by Experts

The correct Answer is:
A
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Knowledge Check

  • Assertion : For the change, H_(2)O_((l))rarr H_(2)O_((s)),DeltaH=DeltaU . Reason : No enthalpy change is involved in this process.

    A
    If both assertion and reason are true and reason is the correct explanation of assertion.
    B
    If both assertion and reason are true but reason is not the correct explanation of assertion
    C
    If assertion is true but reason is false.
    D
    If both assertion and reason are false.

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