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Chemistry
The strongest Lewis acid is
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Q. The strongest Lewis acid is
The p-Block Elements
A
$BF _3$
26%
B
$BCl _3$
9%
C
$BBr _3$
2%
D
$BI _3$
64%
Solution:
The order of strength of Lewis acid character for boron halides is, $BF _3< BCl _3< BBr _3< BI _3$ (due to back bonding)