Question

The IUPAC name of ${\mathrm{CH}}_3{\mathrm{CH}}_2{\mathrm{CH}}_2\mathrm{COOH}$ is:

Answer 1

Rule for IUPAC name of ${\mathrm{CH}}_3{\mathrm{CH}}_2{\mathrm{CH}}_2\mathrm{COOH}$

• Determination of Root Word

Select the continuous chain with the maximum number of carbon atoms

Here the chain is having four carbon atoms, hence root word will be “but”.

• Determination of names and positions of Locants

There is no substituent in the given compound.

• Determination of primary Suffix

As this compound is saturated, the suffix will be “ane”.

• Determination of secondary Suffix
• One functional group present in the given compound is carboxylic acid. So, the suffix for this is oic acid.

IUPAC name of ${\mathrm{CH}}_3{\mathrm{CH}}_2{\mathrm{CH}}_2\mathrm{COOH}$

• The IUPAC name of ${\mathrm{CH}}_3{\mathrm{CH}}_2{\mathrm{CH}}_2\mathrm{COOH}$ is Butanoic acid.