Boron forms $BX_3$ type of halides. The correct increasing order of Lewis-acid strength of these halides is
Boron forms $BX_3$ type of halides. The correct increasing order of Lewis-acid strength of these halides is
- A
$BF_3 > BCl_3 > BBr_3 > BI_3$
- B
$BI_3 > BBr_3 > BCl_3 > BF_3$
- C
$BF_3 > BI_3 > BCl_3 > BBr_3$
- D
$BF_3 > BCl_3 > BI_3 > BBr_3$
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