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

Show how is the following alcohol prepared by the reaction of a suitable Grignard reagent on methanal? CH3 − CH − CH2⁢OH | CH3

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प्रश्न

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

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

रासायनिक समीकरणे/रचना
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उत्तर

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

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पाठ 7: Alcohols, Phenols and Ethers - Intext Questions [पृष्ठ २०३]

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एनसीईआरटी Chemistry Part 1 and 2 [English] Class 12
पाठ 7 Alcohols, Phenols and Ethers
Intext Questions | Q 7.4 (i) | पृष्ठ २०३

संबंधित प्रश्‍न

Show how will you synthesize 1-phenylethanol from a suitable alkene.


How is the following conversion carried out?

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


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Show how you would synthesise the following alcohol from an appropriate alkene?


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Write the structures of A, B and C in the following reactions :

\[{CH}_3 CI \to^{KCN} A \to^{LiAIH} B \to^{{HNO}_2}_{273K} C\]

Write the structure of main compounds A and B in the following reaction:

\[\ce{CH3CH2CN->[CH3MgBRH/3O+]A->[LiAIH4]B}\]


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Statement I: On heating with KHSO4, glycerol is dehydrated and acrolein is formed.

Statement II: Acrolein has a fruity odour and can be used to test glycerol's presence.

Choose the correct option.


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How are the following conversions carried out?

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


How are the following conversions carried out?

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


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