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NEET levelSingle correct optionDifficulty 1 of 3nm116

Ethanol ( $CH X_{3} CH X_{2} OH$ ) and dimethyl ether ( $CH X_{3} OCH X_{3}$ ) are an example of

Achain isomerism
Bmetamerism
Cposition isomerism
Dfunctional isomerism

Answer: D

Both have the formula

C X_{2} H X_{6} O

but one contains the -OH (alcohol) group and the other the -O- (ether) group, so they differ in functional group: functional isomerism.

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