cannot be prepared by:

cannot be prepared by:

$HCHO + PhCH ({CH}_{3}) {CH}_{2} MgX$
${PhCOCH}_{2} {CH}_{3} + {CH}_{3} MgX$
${CH}_{3} {CH}_{2} {COCH}_{3} + PhMgX$
${PhCOCH}_{3} + {CH}_{3} {CH}_{2} MgX$

Solution

The given compound is tertiary alcohol and formaldehyde forms secondary alcohol on reaction with Grignard reagent.

Asked in: JEE Main 2019 (12 Jan Shift 1)

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