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Methyl ester reacts with `EtMgBr` to give `3^@` alcohol The ester is :

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Methyl ester reacts with `EtMgBr` to give `3^@` alcohol image The ester is :
A. Methyl propanoate
B. Methyl butanoate
C. Methyl ethanoate
D. Methyl formate
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Correct Answer - B
(b) `3^@` alcohol is image with two `(Et)` group obtained form `G.R`. Therefore, `(Pr-)` group has come from the ester.
So, the ester is image (methyl butanoate). Hence, the answer is `(b)`.
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