In which of the following molecules/ions — BF_3, NO_2^-, NH_2^-, and H_2O — is the central atom sp^2 hybridized?

JEE Main Chemistry question

In which of the following molecules/ions — and — is the central atom hybridized?

Answer: (A)

(3 bond pairs, no lone pair) and (2 bond pairs + 1 lone pair, 3 electron domains) are both hybridized. (2 bond pairs +

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Question ID VK-133768