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Cross Aldol Condensation

A carbonyl co...

Question

A carbonyl compound should have at least $α -$ hydrogen to undergo aldol condensation.

A

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B

1

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C

2

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D

3

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Solution

The correct option is B 1
For aldol condensation to occur, the enolisable carbonyl compound should have at least 1 $α$ -hydrogen. One hydrogen is required for the formation of enolate ion.

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Similar questions

Q. Statement- I: Acetaldehyde does not show aldol condensation.
Statement- II: Compounds having at least one alpha hydrogen give aldol condensation.

Q. Assertion (A) :

C H_{3} C H O

on reaction with dil. NaOH forms aldol.
Reason (R) : Aldehydes and ketones having

α

-hydrogen undergo aldol condensation.

Aldol condensation is given by all carbonyl compounds.

Q. Assertion :Benzaldehyde does not undergoes aldol condensation. Reason: Benzaldehyde does not contain acidic

α

Q. A typical compound that undergoes aldol condensation is:

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Cross Aldol Condensation

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