KCET · Chemistry · Aldehydes and Ketones
Arrange the following compounds in their decreasing order of reactivity towards Nucleop addition reaction.
\(\mathrm{CH}_3 \mathrm{COCH}_3, \mathrm{CH}_3 \mathrm{COC}_2 \mathrm{H}_5, \mathrm{CH}_3 \mathrm{CHO}\)
- A \(\mathrm{CH}_3 \mathrm{CHO}\gt\mathrm{CH}_3 \mathrm{COCH}_3\gt\mathrm{CH}_3 \mathrm{COC}_2 \mathrm{H}_5\)
- B \(\mathrm{CH}_3 \mathrm{COCH}_3\gt\mathrm{CH}_3 \mathrm{CHO}\gt\mathrm{CH}_3 \mathrm{COC}_2 \mathrm{H}_5\)
- C \(\mathrm{CH}_3 \mathrm{COC}_2 \mathrm{H}_5\gt\mathrm{CH}_3 \mathrm{COCH}_3\gt\mathrm{CH}_3 \mathrm{CHO}\)
- D \(\mathrm{CH}_3 \mathrm{CHO}\gt\mathrm{CH}_3 \mathrm{COC}_2 \mathrm{H}_5\gt\mathrm{CH}_3 \mathrm{COCH}_3\)
Answer & Solution
Correct Answer
(A) \(\mathrm{CH}_3 \mathrm{CHO}\gt\mathrm{CH}_3 \mathrm{COCH}_3\gt\mathrm{CH}_3 \mathrm{COC}_2 \mathrm{H}_5\)
Step-by-step Solution
Detailed explanation
NAR reactivity \(\times \frac{\text { Positive charge Nucleophilic centre }}{\text { Steric hindrance at Nucleophilic centre }}\)
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