Assertion (A)First ionisation enthalpy o...

Assertion (A)First ionisation enthalpy of Cr is lower than that of Zn.
Reason ( R) IE of Cr is lower due to the stability of `d^5` and the value for Zn is higher.

A

Both Assertion and Reason are correct explanation of the Assertion

B

Both Assertion and Reason are correct but Reason is not the correct explanation of Assertion

C

Assertion is correct but Reason is incorrect

D

Both Assertion and Reason are incorrect

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The correct Answer is:

A

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