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

Suggest a reagent for the following conversion.

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प्रश्न

Suggest a reagent for the following conversion.

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उत्तर

Pyridinium chlorochromate (PCC), a complex of chromium trioxide with pyridine and HCl.

\[\ce{CH3 - CH = CH - CH2OH ->[PCC] CH3 - CH = CH - CHO}\]

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

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एनसीईआरटी एक्झांप्लर Chemistry Exemplar [English] Class 12
पाठ 11 Alcohols, Phenols and Ethers
Multiple Choice Questions (Type - I) | Q 27 | पृष्ठ १५९

संबंधित प्रश्‍न

Ortho and para nitrophenols are more acidic than phenol. Draw the resonance structures of the corresponding phenoxide ions.


Give the equation of the following reaction:

Oxidation of propan-1-ol with alkaline KMnO4 solution.


Name the reagent used in the following reaction: 

Oxidation of a primary alcohol to carboxylic acid.


Name the reagent used in the following reaction:

Oxidation of a primary alcohol to aldehyde.


Name the reagent used in the following reaction:

Benzyl alcohol to benzoic acid.


Lucas test is used for the detection of _____________.


Which one of the following on oxidation gives a ketone?


Name the factors responsible for the solubility of alcohols in water.


Alcohols react with active metals e.g. Na, K etc. to give corresponding alkoxides. Write down the decreasing order of reactivity of sodium metal towards primary, secondary and tertiary alcohols.


Explain why is OH group in phenols more strongly held as compared to OH group in alcohols.


Explain why nucleophilic substitution reactions are not very common in phenols.


What happens when (CH3)3 C – OH is heated with Cu/573 K?

Write the chemical equation in support of your answer.


Which of the following alcohols will not undergo oxidation?


Which of the following observation is shown by 2-phenyl ethanol with Lucas Reagent?


Write the mechanism of acid-catalysed dehydration of ethanol to yield ethene.


Write the mechanism of acid dehydration of ethanol to yield ethene.


Write the mechanism of acid dehydration of ethanol to yield ethene.


Write the mechanism of acid-catalysed dehydration of ethanol to yield ethene


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