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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? CH2OH - Chemistry

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प्रश्न

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

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उत्तर

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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 (ii) | पृष्ठ २०३

संबंधित प्रश्‍न

How will you convert: Propene to Propan-2-ol?


Name the reagents used in the following reactions:


Write the structures of the main products when acetone (CH3 − CO − CH3) reacts with the following reagents :

CH3MgBr and then H3O+


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

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


Predict the major product of acid catalysed dehydration of 1-methylcyclohexanol.


Name the reagent used in the following reaction:

Dehydration of propan-2-ol to propene.


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


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


How will you convert: Phenol to 2, 4, 6 − trinitrophenol?


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

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


Aldehydes react with Grignard reagent to produce ____________.


Monochlorination of toluene in sunlight followed by hydrolysis by aq. \[\ce{NaOH}\] yields.


Which of the following reacts with NaOH to give alcohol?


Identify ‘C’ in the following:


Magnesium wire continues to burn in the atmosphere of CO2 because


A compound does not react with 2, 4 dinitrophenylhydrazine, the compound is:


The reagent used for dehydration of an alcohol is


When alcohol react with concentrated H2SO4 intermediate compound formed is


\[\ce{C3H8O ->[{[O]}][K2Cr2O7/H2SO4] C3H6O ->[I2 + NaOH(aq.)] CHI3}\]

In this reaction the first compound is:


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