Write the correct pair of reactants for the preparation of t-butyl ethyl ether by Williamson synthesis.

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Solution

The Williamson ether synthesis is an organic reaction, forming an ether from an organohalide and a deprotonated alcohol (alkoxide). The correct pair of reactants used for the preparation of tert-butyl ethyl ether are sodium tert-butoxide and ethyl bromide.
Williamson reaction: $R - O^{-} + R^{^{'}} - X ⟶ R - O - R^{^{'}} + X^{-}$

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