Which of the following are Lewis acid?

P C l_{3}

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A l C l_{3}

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N C l_{3}

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B F_{3}

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Solution

The correct options are
B $A l C l_{3}$
D $B F_{3}$
Among the given options, $B F_{3}$ and $A l C l_{3}$ are electron deficient compounds and are Lewis acids. $P C l_{3}$ and $N C l_{3}$ are Lewis bases.

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Similar questions

H_{2} O, B F_{3}, H^{+}, N H_{4}^{+}

S b F_{5} + H F \to H^{+} [S b F_{6}]^{-}

N H_{3} + B F_{3} \to H_{3} N B F_{3}

A l C l_{3} + C l^{-} \to A l C l_{4}^{-}

S F_{4} + F^{-} \to [S F_{5}]^{-}

S b F_{5} + H F \to H^{+} [S b F_{6}]^{-}

N H_{3} + B F_{3} \to H_{3} N B F_{3}

A l C l_{3} + C l^{-} \to A l C l_{4}^{-}

S F_{4} + F^{-} \to [S F_{5}]^{-}

B F_{3}

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