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Which pair has the same functional group?

Answer and explanation

Correct answer: Methanol and ethanol

The governing idea is that compounds with the same functional group show related chemical behaviour and belong to the same homologous family. Methanol, CH3OH, and ethanol, C2H5OH, both contain the hydroxyl group (–OH), so both are alcohols. Ethanol has –OH, ethanoic acid has –COOH, ethene has a C=C bond, and methane has no such functional group. Hence option A is the only correct pair.

Related tags

Functional GroupAlcoholsMethanol EthanolFunctional GroupsCarbon And Its CompoundsScienceClass 10 Mcq

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