JEE Main Chemistry question

Which of the following element shows maximum valency? [WB-JEE 2006]

(A)Carbon
(B)Barium
(C)Nitrogen
(D)SulphurCorrect

Answer: (D)

Solution

Sulphur belongs to Group 16 and, having accessible -orbitals in higher periods, can show a maximum valency/covalency of 6 (as in , ). Carbon (Group 14) is limited to a valency of 4,

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Question ID VK-133137