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Aldehydes, Ketones and Carboxylic Acids
Question
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Why is benzaldehyde is less reactive than acetaldehyde towards nucleophilic addition reactions?

Answer

C-atom of Carbonyl group of benzaldehyde is less electrophilic than C-atom of Carbonyl group in acetaldehyde. Polarity of Carbonyl group is in bonzaldehyde reduced due to resonance making it less reactive in nucleophillic addition reactions.

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Some More Questions From Aldehydes, Ketones and Carboxylic Acids Chapter

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:

Predict the products of the following reactions: