1.

Assertion :- Electron gain enthalpy strictly becomes less negative on moving down the group. Reason :- Size increases and addition of extra electron is close to nucleas on moving down the group.

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 Assertiion.
If Assertion is True but the Reason is False.
If both Assertion & Reason are False

Answer :D


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