IUPAC name of above :

Benzoic acid

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2-Phenyl ethanoic acid

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Benzene 1,2 carboxyllic acid

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1-phenyl ethanoic acid

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Solution

The correct option is B 2-Phenyl ethanoic acid
$2$ -phenyl ethanoic acid.

The parent chain is of 2 carbons and functional group is carboxylic acid.

At 2nd carbon phenyl group as a substituent.

Option B is correct.

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IUPAC name of CH₃COOH is:

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