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Question

(D) When $tert.-$butyl alcohol $((CH_3)_3COH)$ is passed over hot copper $(Cu)$ catalyst at $350 \, ^oC$,it undergoes dehydration rather than dehydrog

Vedclass · Accepted Answer

$2-$methyl propene

Vedclass · Answer

(D) When $tert.-$butyl alcohol $((CH_3)_3COH)$ is passed over hot copper $(Cu)$ catalyst at $350 \, ^oC$,it undergoes dehydration rather than dehydrogenation because it lacks an $\alpha-$hydrogen atom required for oxidation to a ketone. The reaction is: $(CH_3)_3COH \xrightarrow{Cu, 350 \, ^oC} CH_2=C(CH_3)_2 + H_2O$. The product formed is $2-$methyl propene (isobutylene).

Reaction of $tert.-$butyl alcohol with hot $Cu$ at $350 \, ^oC$ produces

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