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Question
Methanol and ethanol belong to the same homologous series.
What does this statement mean?
Options
Their molecules contain atoms only of carbon and hydrogen.
Their molecules have the same number of carbon atoms.
They have the same functional group.
They have the same relative molecular mass.
MCQ
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Solution
They have the same functional group.
Explanation:
Methanol and ethanol belong to the same homologous series. They share the general formula and the same functional group. Ethanol differs from methanol by a CH2 group. Relative molecular mass and number of carbon atoms in successive members of homologous series increases.
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