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Boron trihalides act as Lewis acids. The...

Boron trihalides act as Lewis acids. Their Lewis acid strength is in the order

A

`BF_3 gt BCl_3 gt B Br_3`

B

`BF_3 gt B Br_3 gt BCl_3`

C

`B Br_3 gt BCl_3 gt BF_3`

D

`BCl_3 gt B Br_3 gt BF_3`

Text Solution

Verified by Experts

The correct Answer is:
C
`B Br_3 gt BCl_3 gt BF_3`
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