Which one of the following compounds is a Lew | vedclass

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(B) Lewis acid is defined as an electron-pair acceptor.$BCl_3$ has an incomplete octet on the central Boron atom (only $6$ electrons),making it an ele

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$BCl_3$

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(B) Lewis acid is defined as an electron-pair acceptor.$BCl_3$ has an incomplete octet on the central Boron atom (only $6$ electrons),making it an electron-deficient species and a strong Lewis acid.$PCl_3$ has a lone pair on the Phosphorus atom,which can be donated,making it a Lewis base.$NCl_3$ also has a lone pair on the Nitrogen atom,making it a Lewis base.Therefore,only $BCl_3$ acts as a Lewis acid.

Which one of the following compounds is a Lewis acid?

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