The IUPAC name of $C_{6} H_{5} C H = C H - C O O H$ is :

Cinnamic acid

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1 - Phenyl - 2 - carboxy ethane

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3 - Phenyl prop - 2 - enoic acid

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Dihydroxy - 3 - phenyl propionic acid

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Solution

The correct option is C 3 - Phenyl prop - 2 - enoic acid
The IUPAC name of $C_{6} H_{5} C H = C H - C O O H$ is 3 - Phenyl prop - 2 - enoic acid.
The parent compound is propanoic acid. It contains a double bond at second carbon atom.
It also contains a phenyl group at third carbon atom.
Its common name is cinnamic acid.

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Similar questions

C H_{3} C H (O H) C H_{2} C H_{2} C O O H

C H_{3} - C O - C O O H

The Correct IUPAC name of the following compound is $H O O C - C H_{2} - C O O H | C | O H - C H_{2} - C O O H$

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