Which one exhibits aldol condensation
Correct answer: B. C6H5CHO
- A. НСНО
- B. C6H5CHO
- C. Сl3CCHO
- D. CH3COCH3
Explanation
Aldol condensation involves the reaction of an aldehyde or ketone with its enol or enolate form to form a β-hydroxyaldehyde or β-hydroxyketone (aldol), followed by dehydration to yield a conjugated enone. The key requirement for this reaction is the presence of an α-hydrogen in the molecule - a hydrogen atom attached to the carbon atom adjacent to the carbonyl group.
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About Aldehydes and Ketones
Aldehydes and ketones contain the polar carbonyl group, but aldehydes are generally more readily oxidised and more reactive than ketones. Coverage includes preparation by oxidation or reduction routes, nucleophilic addition of reagents such as hydrogen cyanide and bisulfite, and tests that distinguish aldehydes from ketones.
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