Which of the following is a Lewis acid?

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Question

(C) Lewis acid is defined as a substance that can accept a lone pair of electrons.$CO_2$ acts as a Lewis acid because the carbon atom is electron-defi

Vedclass · Accepted Answer

$CO_2$

Vedclass · Answer

(C) Lewis acid is defined as a substance that can accept a lone pair of electrons.$CO_2$ acts as a Lewis acid because the carbon atom is electron-deficient and can accept electron pairs from nucleophiles.$NH_4Cl$ is a salt,$MgCl_2$ is an ionic compound,and $H_2O$ typically acts as a Lewis base due to the lone pairs on the oxygen atom.

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