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(A) $AlCl_3$ is a Lewis acid because it has an incomplete octet and can accept a lone pair of electrons. $CH_3OCH_3$ (dimethyl ether) is a Lewis base

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(A) $AlCl_3$ is a Lewis acid because it has an incomplete octet and can accept a lone pair of electrons. $CH_3OCH_3$ (dimethyl ether) is a Lewis base because the oxygen atom has two lone pairs of electrons. The reaction involves the donation of a lone pair from the oxygen atom of the ether to the aluminum atom of $AlCl_3$,forming a coordinate covalent bond (Lewis acid-base adduct). The oxygen atom acquires a positive charge,and the aluminum atom acquires a negative charge. The product is $(CH_3)_2O^{+} - Al^{-}Cl_3$.

Which of the following is the product of the reaction between $AlCl_3$ and $CH_3OCH_3$?

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