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The general molecular formula, which represents the homologous series of alkanols is

1. C2H2O
2. C2H2n+1O
3. C2H2n+2O
4. C2H2nO2

Correct answer: C2H2n+1O

Solution

The general molecular formula for alkanols is C2H2n+1O, where n is the number of carbon atoms.

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