The correct order of electron gain enthalpy is :

Match List - I with List - II.

	List I Electronic configuration		List II $${\Delta _i}H$$ in kJ $$mo{l^{ - 1}}$$
(a)	$$1{s^2}2{s^2}$$	(i)	801
(b)	$$1{s^2}2{s^2}2{p^4}$$	(ii)	899
(c)	$$1{s^2}2{s^2}2{p^3}$$	(iii)	1314
(d)	$$1{s^2}2{s^2}2{p^1}$$	(iv)	1402

Choose the most appropriate answer from the options given below :

The correct order of bond dissociation enthalpy of halogens is :

Consider the elements Mg, Al, S, P and Si, the correct increasing order of their first ionization enthalpy is :