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Question
Which of the following compound is highly reactive towards HCN?
Options
\[\ce{C6H5 - CHO}\]
\[\ce{H - CHO}\]
\[\ce{CH3 - CHO}\]
\[\ce{CH3 - CO - CH3}\]
MCQ
Solution
\[\ce{H - CHO}\]
Explanation:
The \[\ce{H - CHO}\] molecule is extremely reactive to HCN. This is owing to the methylene group's lower hinderece during nucleophilic substitution. The more bulky the methylene group, the greater the barrier to nucleophilic substitution is formed, and it is the least stable, making it the most reactive.
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Theoretical Basis of Organic Reactions
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