Which of the following is the strongest Lewis acid

BI₃

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BBr₃

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BCl₃

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BF₃

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Solution

The correct option is A
BI₃

Larger the size of halogen atom less is the back donation of electrons into empty 2p orbital of B.

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Similar questions

The correct order of Lewis acidity of $B X_{3}$ molecule is

B B r_{3}, B C l_{3}

B F_{3}

B B r_{3}, B C l_{3} a n d B F_{3}

B F_{3}, B C l_{3}

B B r_{3}

B F_{3}

B C l_{3}

B B r_{3}

B I_{3}

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