English
Karnataka Board PUCPUC Science 2nd PUC Class 12

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

Advertisements
Advertisements

Question

Name the reagent used in the following reaction: 

Oxidation of a primary alcohol to carboxylic acid.

Very Short Answer
Advertisements

Solution

Acidified potassium dichromate or neutral, acidic or alkaline KMnO4 is used in the oxidation of primary alcohol to carboxylic acid.

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 (i) | Page 223

RELATED QUESTIONS

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: 

Dilute HNO3 with phenol.


Name the reagent used in the following reaction:

Oxidation of a primary alcohol to aldehyde.


When 3-methylbutan-2-ol is treated with HBr, the following reaction takes place:

\[\begin{array}{cc}
\phantom{...................................}\ce{Br}\\
\phantom{..................................}|\\
\ce{CH3 - CH - CH - CH3 ->[HBr] CH3 - C - CH2 - CH3}\\
|\phantom{.........}|\phantom{...................................}|\phantom{...........}\\
\ce{CH3}\phantom{...}\ce{OH}\phantom{...............................}\ce{CH3}\phantom{.......}\\
\end{array}\]

Give a mechanism for this reaction.

(Hint: The secondary carbocation formed in step II rearranges to a more

stable tertiary carbocation by a hydride ion shift from 3rd carbon atom.)


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


Which of the following is not true in case of reaction with heated copper at 300°C?


Cyclohexene is best prepared from cyclohexanol by which of the following:


During dehydration of alcohols to alkenes by heating with cone. H2SO4 the initial step is ____________.


\[\ce{CH3CH2OH}\] 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.


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


Which of the following alcohols will not undergo oxidation?


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.


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


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×