Which of the following orders for electron affinity is / are CORRECT?(a) S > O < Se     (b) Cl > F     (c) S > O     (d) O > S     (e) N > P      (f) C > N

Most of the 3rd period elements have higher E.A. as compared to corresponding 2nd period element. element which have s2 or p3 - configuration in outermost shall have low have E.A. as compared to its nest and previous element in periodic table.