English
Karnataka Board PUCPUC Science 2nd PUC Class 12

Name the reagent used in the following reaction: Oxidation of a primary alcohol to aldehyde.

Advertisements
Advertisements

Question

Name the reagent used in the following reaction:

Oxidation of a primary alcohol to aldehyde.

Very Short Answer
Advertisements

Solution

Pyridinium chlorochromate (PCC), C5H5NH+CrO3Cl (in CH2Cl2) or pyridinium dichromate (PDC), \[\ce{(C5H5N+H)2Cr2O^-_7}\] (in CH2Cl2) is used in the oxidation of a primary alcohol to aldehyde.

shaalaa.com
  Is there an error in this question or solution?
Chapter 7: Alcohols, Phenols and Ethers - Exercises [Page 223]

APPEARS IN

NCERT Chemistry Part 1 and 2 [English] Class 12
Chapter 7 Alcohols, Phenols and Ethers
Exercises | Q 7.21 (ii) | Page 223

RELATED QUESTIONS

Write the final product(s) in each of the following reactions:


Show how will you synthesize pentan-1-ol using a suitable alkyl halide.


Give the equation of the following reaction: 

Dilute HNO3 with phenol.


Name the reagent used in the following reaction: 

Oxidation of a primary alcohol to carboxylic acid.


The compound which reacts fastest with Lucas reagent at room temperature is:


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


Lucas test is done to differentiate between ____________.


\[\ce{CH3CH2OH}\] can be converted into \[\ce{CH3CHO}\] by ______.


The process of converting alkyl halides into alcohols involves ______.


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.


Ethers can be prepared by Williamson synthesis in which an alkyl halide is reacted with sodium alkoxide. Di-tert-butyl ether can’t be prepared by this method. Explain.


Assertion: Bond angle in ethers is slightly less than the tetrahedral angle.

Reason: There is a repulsion between the two bulky (–R) groups.


What is Lucas reagent?


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


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 dehydration of ethanol to yield ethene.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×