Which of the following is a member of the same homologous series as butanoic acid, ?

CHEMISTRY · Single correct · A Level · Chemistry · Carboxylic acids and derivatives · Carboxylic acids and derivatives

Problem

Which of the following is a member of the same homologous series as butanoic acid,

\text{CH}_3\text{CH}_2\text{CH}_2\text{COOH}

? (1)

\text{CH}_3\text{CH}_2\text{COOCH}_3

(2)

\text{CH}_3\text{CH}_2\text{CH}_3

(3)

\text{CH}_3\text{OCH}_2\text{CH}_3

(4)

\text{CH}_3\text{COOH}

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