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Which of the following Lewis acids exhib...

Which of the following Lewis acids exhibits maximum acidic strength?

A

`BI_(3)`

B

`BBr_(3)`

C

`BCl_(3)`

D

`BF_(3)`

Text Solution

Verified by Experts

The correct Answer is:
A
`BI_(3)` is the most electron deficient on account of the weakest `p_(pi) - p_(pi)` back bonding. The overall order of acidic strength is
`BI_(3) lt BBr_(3) lt BCl_(3) lt BF_(3)`
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