Which of the following compound is least reactive:
Correct answer: C. CH3COCH3
- A. HCHO
- B. CH3CHO
- C. CH3COCH3
- D. C6H5CHO
Explanation
Tertiary alkyl groups are less reactive because they are surrounded by alkyl groups, making them more stable and least reactive.
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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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