Question
Give one chemical reaction to distinguish ethanol and diethyl ether.
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Answer
Hydrogen gas is evolved when sodium reacts with ethanol while diethyl ether does not react with sodium.
$ C_{2}H_{5}OH + Na \rightarrow C_{2}H_{5}ONa + H_{2} $
$ C_{2}H_{5}OH + Na \rightarrow C_{2}H_{5}ONa + H_{2} $
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