JEE Main Chemistry question

Which of the following represents the Lewis structure of the molecule?

(A) with one lone pair on each N and a triple bond between themCorrect
(B)A structure with a double bond and two lone pairs on each N
(C)A structure with a single bond and three lone pairs on one N
(D)A structure with a triple bond and no lone pairs shown

Answer: (A)

Solution

Nitrogen has 5 valence electrons; to complete an octet, each N atom needs 3 more shared electrons, so the two N atoms form a triple bond (sharing 3 electron pairs) and each retains one

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Question ID VK-155874