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Aldehydes, Ketones and Carboxylic Acids
Question
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Explain with suitable example:
(i) Clemenson reduction,   (ii) Wolff-Kishner reduction.

Answer

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.

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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: