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

Suggest a reagent for conversion of ethanol to ethanal. - Chemistry

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प्रश्न

Suggest a reagent for conversion of ethanol to ethanal.

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उत्तर

\[\ce{CrO3}\], pyridine and HCl (Pyridinium chlorochromate, PCC) in \[\ce{CH2C12}\].

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अध्याय 11: Alcohols, Phenols and Ethers - Multiple Choice Questions (Type - I) [पृष्ठ १५९]

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एनसीईआरटी एक्झांप्लर Chemistry [English] Class 12
अध्याय 11 Alcohols, Phenols and Ethers
Multiple Choice Questions (Type - I) | Q 29 | पृष्ठ १५९

संबंधित प्रश्न

Write resonance structures of aniline. What is the action of benzene diazonium chloride on ethanol? 


How do you convert the following:

Ethanol to Propan-2-ol


Write the mechanism of the following reaction : 

\[\ce{C2H5OH->[H2SO4][443K]CH2=CH2 + H2O}\]


Give simple chemical test to distinguish between Ethanol and Phenol.


Methanol and ethanol are miscible in water due to ____________.


If ethanol dissolves in water, then which of the following would be observed:


Which of the following is correct?


Write the IUPAC name of the following compound.

\[\begin{array}{cc}
\phantom{.}\ce{CH3 - CH - CH - CH - CH - CH3}\phantom{}\\
\phantom{......}|\phantom{......}|\phantom{......}|\phantom{.....}|\phantom{........}\\
\phantom{...}\ce{CH3}\phantom{...}\ce{OH}\phantom{...}\ce{C2H5}\phantom{.}\ce{OH}\phantom{...}\end{array}\]


Arrange the following compounds in increasing order of acidity and give a suitable explanation.

Phenol, o-nitrophenol, o-cresol


Name the enzymes and write the reactions involved in the preparation of ethanol from sucrose by fermentation.


The carbon-oxygen bond in phenol is slightly stronger than that in methanol. Why?


Match the items of column I with items of column II.

  Column I Column II
(i) Antifreeze used in car engine (a) Neutral ferric chloride
(ii) Solvent used in perfumes (b) Glycerol
(iii) Starting material for picric acid (c) Methanol
(iv) Wood spirit (d) Phenol
(v) Reagent used for detection of phenolic group (e) Ethleneglycol
(vi) By product of soap industry used in cosmetics (f) Ethanol

Liquor poisoning is due to


Alcoholic fermentation is brought about by the action of


If the starting material is 1-methyl-1,2-epoxy cyclopentane, of absolute configuration, decide which one compound correctly represents the product of its reaction with sodium methoxide in methanol.


Convert the following Ethanal to ethanol.


Give IUPAC names of the following compounds:

 \[\begin{array}{cc}
\ce{CH3 - CH - CH - CH - CH2-OH }\\
|\phantom{......}|\phantom{......}|\phantom{.......}\\
\ce{Cl}\phantom{....}\ce{CH3}\phantom{...}\ce{CH3}\phantom{.....}
\end{array}\]


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