Which of the following haloakane undergoes nucleophilic substitution r – InterviewSolution

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1.	Which of the following haloakane undergoes nucleophilic substitution reaction by SN^(2) mechanismonly
Answer» `CH_(3)Br` `CH_(3)CHBrCH_(3)` `C_(2)H_(5)CHBrCH_(3)` `(CH_(3))_(3)CBr` Solution :In `SN^(2)` reaction,the reactivity of HALOAKANE occurs in the order`CH_(3) gt 1^(@) gt 2^(@) gt 3^(@)`. The determiningfactor issteric hindrance in the caron atom of alkyl group attached to halogen atom. There isminimum steric hindrace offerex by TEH hydrogenes to the APPROACH of nucleophilie ATTACKING at the carobon of C-Br bond.

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