Given below are two statements: 

Assertion (A): Electron gain enthalpy becomes less negative as we go down a group.
Reason (R): The size of the atom increases on going down the group and the added electron would be farther from the nucleus.

 

1. Both (A) and (R) are True and (R) is the correct explanation of (A).
2. Both (A) and (R) are True but (R) is not the correct explanation of (A).
3. (A) is True but (R) is False.
4. (A) is False but (R) is True.