MHT CET Chemistry question

The reactant (X) used in the following reaction is methyl magnesium bromide + X 2-methyl propan-2-ol

(A)propanol
(B)ethanone
(C)propanoneCorrect
(D)butane

Answer: (C)

Solution

A tertiary alcohol is obtained when a Grignard reagent adds to a ketone: CH_3MgBr + CH_3COCH_3 \rightarrow (CH_3)_3COMgBr, which on hydrolysis gives 2-methylpropan-2-ol; propanol only

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Question ID VK-079754