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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? CHA3−CH−CHA2OH|......CHA3... - Chemistry

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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

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

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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

Name the reagents used in the following reactions:


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


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\[\ce{? ->[\Delta, CN-][EtOH, H2O]}\] Benzoin.

The reactant is obtained by dry distillation of the calcium salts of the following pairs:


The major product of the following reaction is:

\[\begin{array}{cc}
\ce{Cl}\phantom{.........................}\\
|\phantom{..........................}\\
\ce{CH3 - CH - CH3 ->[(i) Alc. KOH][(ii) HBr/peroxide (iii) aq. KOH]}
\end{array}\]


Given below are two statements:

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.


How are the following conversions carried out?

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


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