Which of the following undergoes ntucleophilic substitutionexclusively – InterviewSolution

InterviewSolution

1.	Which of the following undergoes ntucleophilic substitutionexclusively by SNI mechanism?1) Benzyl chloride3) Chlorobenzene2) Ethyl chloride4) Isoopropyl chloride
Answer» SN1 reaction is favoured by heavy (bulky) groups on the carbon atom attached to halogens and nature of carbonium ion in substrate is Benzyl > Allyl > Tertiary > Secondary > Primary > Methyl halides.

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