In which one of the following molecules strongest back donation of an electron pair from halide to b — Chemical Bonding Chemistry Question
Question
In which one of the following molecules strongest back donation of an electron pair from halide to boron is expected? 3 3 3 3 3 3 3 3 3 3 3 3. (A) BCl (B) BF (C) BBr (D) BI
Answer: B) BF
💡 Solution & Explanation
Compound Type of back bonding BF 2pπ-2pπ BCl 2pπ-3pπ BBr 2pπ-4pπ BI 2pπ-5pπ As the size of p-orbital increases, the strength of bond decreases. Therefore, back bonding strength is as follows - BF > BCl > BBr > BI
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