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कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

How is the following conversion carried out? ---Methyl magnesium bromide⟶2-Methylpropan-2-ol - Chemistry

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प्रश्न

How is the following conversion carried out?

\[\ce{Methyl magnesium bromide → 2-Methylpropan-2-ol}\]

रासायनिक समीकरणे/रचना
एका वाक्यात उत्तर
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उत्तर

When methyl magnesium bromide is treated with propane, an adduct is the product which gives 2-methylpropane-2-ol on hydrolysis.

\[\begin{array}{cc}
\ce{H3C}\phantom{..................................}\\
\backslash\phantom{.............................}\\
\ce{C = O + CH3 - MgBr ->}\phantom{.}\\
/\phantom{............................}\\
\ce{H3C}\phantom{..................................}
\end{array}\]\[\begin{bmatrix} 
\ce{CH3}\phantom{..}\\
|\phantom{....}\\
\ce{CH3 - C - \overset{-}{O}\overset{+}{Mg}Br}\\
|\phantom{....}\\
\ce{\underset{Adduct}{CH3}}\phantom{..}\\
\end{bmatrix}\]\[\begin{array}{cc}
\ce{OH}\phantom{......}\\
|\phantom{........}\\
\ce{->[H2O]CH3 - C - CH3 + Mg(OH)Br}\\
|\phantom{........}\\
\ce{\underset{2-Methylpropan-2-ol}{CH3}}\phantom{.....}\\
\end{array}\]

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पाठ 7: Alcohols, Phenols and Ethers - Exercises [पृष्ठ २२३]

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एनसीईआरटी Chemistry Part 1 and 2 [English] Class 12
पाठ 7 Alcohols, Phenols and Ethers
Exercises | Q 7.20 (iv) | पृष्ठ २२३

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\[\ce{Methyl magnesium bromide ->2-Methylpropan-2-ol}\]


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