MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Claisen Condensation

On treating e...

Question

On treating ethanal with dil.NAOH,What is the product?

Open in App

Solution

Acetaldehyde undergoes aldol condensation in presence of dil NaOH or K₂CO₃ to form beta hydroxy butyraldehyde or aldol.

CH₃CHO + HCH₂CHO—–> CH₃CH(OH)CH₂CHO [Aldol]

On heating aldol loses a water molecule to give unsaturated aldehyde .

CH₃CH(OH)CH₂CHO ——-> CH₃CH=CHCHO [crotonaldehyde] +H₂O

Suggest Corrections

thumbs-up

3

Similar questions

Q. What is the action of dil

N a O H

on ethanal (acetaldehyde)? Name the reaction.

Q. Final product obtained by treating ethane with excess chlorine in presence of sunlight is _________.

Q. Iodoethane is treated with Alcoholic KCN and the product obtained is hydrolysed with dil. HCl. The final product is

Q. Write the product of the following:

When sodium sulphite is treated with dil. hydrochloric acid.

Q. What is the difference between all the possible aldol products formed by ethanal and propanal with dilute NaOH and their corresponding dehydrated

α, β

unsaturated aldehydes?

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Other Important Reactions

CHEMISTRY

Watch in App

explore_more_icon

Explore more

Claisen Condensation

Standard XII Chemistry

Join BYJU'S Learning Program

CrossIcon