Which of the following pairs are members of a homologous series?
CH3OCH3;CH3CH2OH
CH3CHO;CH3CH2CHO
CH3CH2COOH;CH3COOCH3
(CH3)2CHOH;CH3CH2OH
A
CH3CH2COOH;CH3COOCH3
B
CH3OCH3;CH3CH2OH
C
CH3CHO;CH3CH2CHO
D
(CH3)2CHOH;CH3CH2OH
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Solution
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Acetaldehyde i.e CH3CHO and propionaldehyde i.e CH3CH2CHO belong from the aldehyde family hence they are homologous series.
Hence, option B is the correct answer.
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