Q84 / 180 · NEET 2017 · Chemistry

Of the following, which is the product formed when cyclohexanone undergoes aldol condensation followed by heating?

  • A
    Figure
  • Correct answer
    B
    Figure
  • C
    Figure
  • D
    Figure

Solution

Aldol condensation is a property of carbonyl compounds having hydrogen at α− carbon atom. Aldol means aldehyde and alcohol groups on the same molecule. It may occur between two aldehydes or ketones in the presence of a catalytic base. The reaction is only possible between two components having α− hydrogen.
When cyclohexanone undergoes aldol condensation in the presence of a base, it will produce a β− hydroxy ketone.

When cyclohexanone undergoes aldol condensation followed by heating, the product formed is represented by the option (b).

 

 

Figure

Mechanism: 

Figure

Hence, the correct answer is option: 'B'.

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