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Aldehydes, Ketones And Carboxylic Acids

Question
CBSEENCH12008825
Wired Faculty App

Explain with suitable example:
(i) Clemenson reduction,   (ii) Wolff-Kishner reduction.

Solution

i) Clemenson reduction : The carbonyl group of aldehydes and ketone is reduced to –CH2 group on treatment with zinc amalgam and conc. Hydrochloric acid.
  
ii) wolff- kishner reduction : On treatment with hydrazine followed by heating with sodium or potassium hydroxide in high boiling solvent like ethylene glycol.

Some More Questions From Aldehydes, Ketones and Carboxylic Acids Chapter

Write the structures of the following compounds.
4-fluoro acetophenone.

Write the structures of the following reactions:

Write the structures of products of the following reactions:


    

Arrange the following compounds in increasing order of their boiling points:
CH3CHO, CH3CH2OH, CH3OCH3, CH3CH2CH3.

Arrange the following compounds in increasing order of their reactivity in nucleophilic addition reactions:    
Ethanal, Propanal, Propanone, Butanone.

Arrange the following compounds in increasing order of their reactivity in nucleophilic addition reactions:    
Benzaldehyde, p-Tolualdehyde, p-Nitrobenzaldehyde, Acetophenone.

Predict the products of the following reactions:

Predict the products of the following reactions:

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