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प्रश्न
Write the products formed when CH3CHO reacts with the following reagents: CH3CHO in the presence of dilute NaOH
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उत्तर १
Two molecules of ethanal condense in presence of a dilute NaOH to form 3 hydroxybutanal.
उत्तर २
Reaction of acetaldehyde with acetaldehyde in the presence of dilute NaOH, this is the kind of Aldol reaction by which obtained 3-hydroxybutanal as product. Further proceed reaction when using heat in the reaction, its gives aldol condensation product which is But-2-enal
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संबंधित प्रश्न
What is meant by the following term? Give an example of the reaction in the following case.
Aldol
How will you convert ethanal into the following compound?
But-2-enal
How will you bring about the following conversion in not more than two steps?
Ethanol to 3-Hydroxybutanal
Give reasons Acetylation of aniline reduces its activation effect.
Write a chemical equation for the following reaction:
Propanone is treated with dilute Ba( OH)2.
Why is there a large difference in the boiling points of butanal and butan-1-ol?
Predict the reagent for carrying out the following transformations:
Ethanal to 3-hydroxy butanal
Explain the aldol condensation of ethanal.
Why is the α-hydrogens of aldehydes and ketones are acidic in nature?
Assertion (A): The final product in Aldol condensation is always α, β-unsaturated carbonyl compound.
Reason (R): α, β-unsaturated carbonyl compounds are stabilised due to conjugation.
