(d) Ethers show functional isomerism with molecular formula $C_{n}H_{2n + 2}O.$ For example, $C_{2}H_{6}O$ $CH_{3}OCH_{3},\ \ \ \ \ \ \ \ \ \ \ CH_{3}CH_{2}OH\$ dimethyl ether, ethyl alcohol
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Ph.D. in Physics with 19+ years of teaching experience.