How do you draw the condensed structural formulas of four structural isomers of the carboxylic acids that have the molecular formula C5H10O2?

1 Answer
P dilip_k
Jul 21, 2016

The isomers of compound having molecular formula C5H10O2 should contain −COOH.So it contains C4H9− as alkyl group.
Depending on the structures of alkyl groups there are following isomers of carboxylic acids with their condensed formulae.

1.Sraight chain of 4 C-atom

CH3CH2CH2CH2COOH→Pentanoic acid

2.One methyl group as branch at C-2

CH3CH2(CH3)CHCOOH→2-methylbutanoic acid

3.One methyl group as branch at C-3

CH3(CH3)CHCH2COOH→3-methylbutanoic acid

4.Two methyl groups as branches at C-2

(CH3)3C.COOH→2,2-dimethylpropanoic acid

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