NH_3 and BF_3 form an addition product rapidl | vedclass

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Question

(C) $NH_3$ acts as a Lewis base because it has a lone pair of electrons on the nitrogen atom. $BF_3$ acts as a Lewis acid because it is electron-defic

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Coordinate covalent bond

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(C) $NH_3$ acts as a Lewis base because it has a lone pair of electrons on the nitrogen atom. $BF_3$ acts as a Lewis acid because it is electron-deficient (incomplete octet). When they react,the lone pair from $NH_3$ is donated to the vacant orbital of $B$ in $BF_3$,resulting in the formation of a coordinate covalent bond (also known as a dative bond). The reaction is: $NH_3 + BF_3$ $\rightarrow H_3N$ $\rightarrow BF_3$.

$NH_3$ and $BF_3$ form an addition product rapidly because they form a ..........

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