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Aldehydes, Ketones And Carboxylic Acids

Question
CBSEENCH12008824
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Sodium Bisulphite is used for the purification of aldehydes and Ketones. Explain ?

Solution

Aldehydes and Ketones form addition compounds with NaHSO3 whereas impurities do not. On hydrolysis we get pure aldehydes and Ketones back.

Some More Questions From Aldehydes, Ketones and Carboxylic Acids Chapter

Write the structures of the following compounds.
Di-sec-butyl ketone

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:

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