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CGP EDU Academic Team
Published on: August 14, 2026
The Lewis acid character of boron tri halides follows the order:
Text Solution
Verified by ExpertsThe correct answer is:
D
Extent of back bonding, reduces down the group leading to more Lewis acidic strength
BF 3 > BC1 3 > BBr 3 > BI 3 (extent of back bonding)
(2p-2p) (2p-3p) (2p-4p) (2p-5p)
BF 3 < BCl 3 < BBr 3 <BI 3 (lewis acidic nature)
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