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Boron Family – Lewis Acidity of Boron Halides
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Amongst the given options, which of the following molecules/ion acts as a Lewis acid?A $OH^-$B $NH_3$C $H_2O$D $BF_3$
BF3 has an incomplete octet on boron, so it accepts a lone pair.
$BF_3$ behaves as Lewis acid due to incomplete octet in valence shell of Boron. Hence it can accept a lone pair of electrons.
