alleryWhich of the following pairs are members of the same homologous series?
Amethane and ethane
Bethane and ethene
Cethanol and ethanoic acid
Dethanol and methanal
Answer & Solution
Correct answer: A. methane and ethane
Methane and ethane are both alkanes (CₙH₂ₙ₊₂) differing only by CH₂ — by definition same homologous series.
The other pairs have different functional groups or bond types.
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