Electronic configuration of valence shell of four elements A, B, C and D are:- (A) ns np (B) ns np (C) ns np (D) ns np Correct increasing order of their second ionisation energies is :- (A) A

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Electronic configuration of valence shell of four elements A, B, C and D are:- (A) ns np (B) ns np (C) ns np (D) ns np Correct increasing order of their second ionisation energies is :-

(A) A < B < C < D
(B) A < B < D < C
(C) B < A < D < C
(D) B < A < C < D

Prashant Kotian · Accepted Answer

Correct answer: D

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