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Aldehydes, Ketones and Carboxylic Acids
Question
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Carboxylic acids have higher boiling points than aldehydes, ketones and even alcohols of comparable molecular mass. It is due to their

  • Formation of intramolecular H-bonding

  • Formation of intermolecular H-bonding

  • Formation of intermolecular H-bonding

  • More extensive association of carboxylic acid via Vander Waals force of attraction

Answer

C.

Formation of intermolecular H-bonding

Carboxylic acids have higher boiling points than aldehydes, ketones and even alcohols of comparable molecular mass. This is due to the more extensive association through intermolecular H-bonding.

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Some More Questions From Aldehydes, Ketones and Carboxylic Acids Chapter

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:

Predict the products of the following reactions: