Question

Write the IUPAC name of     CH3 CO CH2 CH2 CH2 COOH

Answer 1

there are 6 carbon atoms , 10 hydrogen atom

its IUPAC name is hexanoic acid

Answer 2

IUPAC name of $CH_3COCH_2CH_2CH_2COOH$ is 5 oxo hexanoic acid

Explanation:

The basic rules for naming of organic compounds are :

First select the longest possible carbon chain.

The longest possible carbon chain should include the functional groups.

The numbering is done in such a way that the carbon bearing the primary functional group gets the lowest number.

For the number of carbon atom, we add prefix as 'meth' for 1, 'eth' for 2, 'prop' for 3, 'but' for 4, 'pent' for 5, 'hex' for 6, 'sept' for 7, 'oct' for 8, 'nona' for 9 and 'deca' for 10.

The naming of alkane is done by adding the suffix -ane, alkene by adding the suffix -ene, alkyne by adding the suffix -yne and carboxylic acid by adding the suffix -oic acid. The substituent $C=O$ is named as oxo.

IUPAC name of $CH_3COCH_2CH_2CH_2COOH$ is 5 oxo hexanoic acid.

Learn more about IUPAC nomenclature of organic compounds

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