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The correct Lewis acid order for boron h...

The correct Lewis acid order for boron halides is:

A

`BF_3 gt BCl_3 gt B Br_3 gt BI_3`

B

`BCl_3 gt BF_3 gt B Br_3 gt BI_3`

C

`BI_3 gt B Br_3 gt BCl_3 gt BF_3`

D

`B Br_3 gt BCl_3 gt BI_3 gt BF_3`

Text Solution

Verified by Experts

The correct Answer is:
C
The Lewis acid order for boron halides are explained in terms of back-bonding.
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