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Question
What happens when propanone is treated with CH3MgBr and then hydrolysed?
Solution
When propanone reacts with ethyl magnesium bromide (Grignard's reagent) and hydrolysed, it forms aldehyde.
\[\begin{array}{cc}
\ce{(CH3)2CO + H3CCH2MgBr ->[][H2O] CH2CH3}\\
\phantom{..........................}|\\
\phantom{....................................}\ce{(CH3)2COH + Mg(OH)Br}
\end{array}\]
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