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JEE Main levelSingle correct optionDifficulty 2 of 3nm066

The IUPAC name of $CH X_{3} CH X_{2} - CO - O - CH (CH X_{3}) X_{2}$ is:

Aethyl 2-methylpropanoate
Bpropyl propanoate
Cpropan-2-yl ethanoate
Dpropan-2-yl propanoate

Answer: D

The acyl part

CH X_{3} CH X_{2} CO X^{-}

is propanoate. The group on oxygen is

CH (CH X_{3}) X_{2}

, attached through its middle carbon, so it is propan-2-yl. The name is propan-2-yl propanoate.

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