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CBSE Class 12 · 2005 · All India Compartment · Alcohols Phenols and EthersVery Short Answer

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How is tertiary butyl alcohol obtained from acetone?

Answer: Add CH₃MgBr to acetone, then hydrolyse: (CH₃)₂CO + CH₃MgBr → (CH₃)₃COMgBr → (CH₃)₃COH.

Solution

Grignard addition to the ketone:

A ketone + RMgX gives the tertiary alcohol — here 2-methylpropan-2-ol.

CBSE Class 12 Board · 2005 · All India Compartment · Subjective

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