Assertion (A): Electron gain enthalpy becomes less

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

(i) Assertion and reason both are correct statements but the reason is not the correct explanation for the assertion. 

(ii) Assertion and reason both are correct statements and reason is the correct explanation for the assertion. 

(iii) Assertion and reason both are wrong statements. 

(iv) The assertion is the wrong statement but the reason is the correct statement.