In the reaction
$A l C l_{3} + C l^{-} \to [A l C l_{4}]^{-}, A l C l_{3}$ acts as ____.

salt

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lewis base

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lewis acid

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bronsted acid

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Solution

The correct option is C lewis acid
Lewis acid is the electron pair acceptor.
In $A l C l_{3}$ the central atom Al has vacant d orbitals so it can accepts pair of electrons from Cl , so it is a lewis acid.

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Similar questions

A l {C l}_{3} + {C l}^{-} ⟶ {[A l {C l}_{4}]}^{-}

A l {C l}_{3}

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

A l

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

Describe the change in hybridisation (if any) of the Al atom in the following reaction.

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

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