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

Suggest a reagent for the following conversion.

Advertisements
Advertisements

प्रश्न

Suggest a reagent for the following conversion.

टिप्पणी लिखिए
Advertisements

उत्तर

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

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

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 11: Alcohols, Phenols and Ethers - Multiple Choice Questions (Type - I) [पृष्ठ १५९]

APPEARS IN

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

संबंधित प्रश्न

Write the mechanism of the following reaction:


Give the equation of the following reaction:

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


Which of the following are used to convert RCHO into RCH2OH?

(i) H2/Pd

(ii) LiAlH4

(iii) NaBH4

(iv) Reaction with RMgX followed by hydrolysis


Primary and secondary alcohols on the action of reduced copper give:


The compound which gives the most stable carbonium ion on dehydration is:


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.


In Kolbe’s reaction, instead of phenol, phenoxide ion is treated with carbon dioxide. Why?


Why is the C – O – H bond angle in alcohols slightly less than the tetrahedral angle whereas the C – O – C bond angle in ether is slightly greater?


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.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×