CBSE Class 10 Science 2017 · Paper 31/2/1 · Question 1
Write the molecular formula of the first two members of the homologous series having functional group .
Answer
The first two carboxylic acids are (methanoic acid) and (ethanoic acid).
The group marks the carboxylic acids.
First member: methanoic acid, , molecular formula .
Second member: ethanoic acid, , molecular formula .
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