The number of lone pairs is the same in PCl_3 and

JEE Main Chemistry question

The number of lone pairs is the same in and

(A)
(B)Correct
(C)
(D)

Answer: (B)

Solution

In , phosphorus has 5 valence electrons, 3 of which form bonds with chlorine, leaving 1 lone pair. similarly has nitrogen with 5 valence electrons, 3 used for bonding and 1 lone pair remaining — the same

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Question ID VK-133363