Question

The order of increasing electron affinity of the electronic configurations
(i) $1s^{2} 2s^{2} 2p^{6} 3s^{2} 3p^{5} $
(ii)$1s^{2} 2s^{2} 2p^{3}$
(iii) $ 1s^{2} 2s^{2} 2p^{5} $
(iv) $ 1s^{2} 2s^{2} 2p^{6} 3s^{1} $
is

• A. (ii), (iv), (iii), (i)
• B. (i), (ii), (iii), (iv)
• C. (i), (iii), (ii), (iv)
• D. (iv), (iii), (ii), (i)

Answer 1

Answer: (A)

Correct answer is (a) (ii), (iv), (iii), (i)