Question: Among halogens, the correct order of the amount of energy released in electron
gain (electron gain enthalpy) is:
(i) F > Cl > Br > I
(ii) F < Cl < Br < I
(iii) F < Cl > Br > I
(iv) F < Cl < Br < I
Solution:
Option (iii) F < Cl > Br > I is the answer.