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Karnataka Board PUCPUC Science 2nd PUC Class 12

Show how is the following alcohol prepared by the reaction of a suitable Grignard reagent on methanal? CHA3−CH−CHA2OH|......CHA3...

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Question

Show how is the following alcohol prepared by the reaction of a suitable Grignard reagent on methanal?

\[\begin{array}{cc}
\ce{CH3 - CH - CH2OH}\\
|\phantom{......}\\
\ce{CH3}\phantom{...}
\end{array}\]

Chemical Equations/Structures
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Solution

\[\begin{array}{cc}
\phantom{..........}\ce{OMgBr}\\
\phantom{....}|\\
\ce{CH3 - CH - MgBr + HCHO -> CH3 - CH - CH2 ->[H2O] CH3 - CH - CH2OH + Mg(OH)Br}\\
|\phantom{.................................}|\phantom{......................}|\phantom{...................}\\
\phantom{.}\ce{CH3}\phantom{.............................}\ce{CH3}\phantom{...................}\ce{CH3}\phantom{.................}
\end{array}\]

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Chapter 7: Alcohols, Phenols and Ethers - Intext Questions [Page 203]

APPEARS IN

NCERT Chemistry Part 1 and 2 [English] Class 12
Chapter 7 Alcohols, Phenols and Ethers
Intext Questions | Q 7.4 (i) | Page 203

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