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CBSE Class 10 Science 2017 Delhi Term II Set 3 Paper

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Question : 1 of 10
Marks: +1, -0
Write the molecular formula of first two members of homologous series having functional group - OH\mathrm{OH}.
Solution:  
The general formula for the homologous series of functional group - OH\mathrm{OH} is CnH2n+1OH\mathrm{C}_n \mathrm{H}_{2n+1} \mathrm{OH}
(i) CH3OH\mathrm{CH}_3 \mathrm{OH} (Methanol)
(ii) CH3CH2OH\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{OH} (Ethanol)
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