Assertion (A): Aliphatic primary amines can be prepared by Gabriel phthalimide synthesis.
Reason (R): Alkyl halides undergo nucleophilic substitution with anion formed by phthalimide.
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Gabriel synthesis is not suitable for aryl amines, as aryl halides do not undergo SN2 substitution.
Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of
the Assertion (A).
Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct
explanation of the Assertion (A).
Assertion (A) is true, but Reason (R) is false
Assertion (A) is false, but Reason (R) is true.
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The Correct Option isA
Solution and Explanation
- Gabriel phthalimide synthesis is a method used to prepare primary aliphatic amines by reacting phthalimide with alkyl halides, forming an intermediate that hydrolyzes to yield the amine.
- This occurs via nucleophilic substitution (SN2 mechanism), where the phthalimide anion attacks the alkyl halide.
- Since both the assertion and reason are correct, and Reason (R) explains Assertion (A), option (A) is correct.
