5. Benzylamine may be alkylated as shown in the following equation : C6H5CH2NH2 + R—X → C6H5CH2NHR Which of the following alkyl halides is best suited for this reaction through SN1 mechanism? (i) CH3Br (ii) C6H5Br (iii) C6H5CH2Br (iv) C2H5 Br

contexto.130

3 years ago

Solution:

Option (iii) is the answer.

Reason:

$C_{6} H_{5} C H_{2} B r$ is best suited for this reaction through $S_{N} 1$ mechanism as the carbocation $(C_{6} H_{5} C H_{2})$ formed is resonance stabilized.