AIIMS 2018 Chemistry Inductive Effect MCQ Question
Assertion : Benzylamine is less basic than ethylamine.
Reason : Benzene ring shows effect.
If both assertion and reason are true and reason is the correct explanation of assertion.
If both assertion and reason are true but reason is not the correct explanation of assertion.
If assertion is true but reason is false.
If both assertion and reason are false.
Correct Answer
Detailed Explanation
Benzylamine exhibits a -I (inductive) effect due to the electron-withdrawing nature of the phenyl group, which stabilizes the positive charge on the nitrogen atom, making it less nucleophilic. In contrast, ethylamine (CH₃–CH₂–NH₂) has a +I effect from the alkyl group, which donates electron density to the nitrogen, enhancing its nucleophilicity. The other options are not relevant as they do not provide additional information or context to the question regarding the inductive effects of the respective amines. Understanding these effects is crucial for predicting the reactivity and stability of amines in various chemical reactions.
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