1(xiii)
Methanol and ethanol belong to the same homologous series. What does this statement mean?
- (a)Their molecules contain atoms only of carbon and hydrogen.
- (b)Their molecules have the same number of carbon atoms.
- (c)They have the same functional group.
- (d)They have the same relative molecular mass.
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They have the same functional group.
Reason — Methanol and ethanol belong to the same homologous series. They share the general formula and same functional group. Ethanol differs methanol by CH2 group. Relative molecular mass and number of carbon atoms in successive members of homologous series increases.