Which of the following is least reactive towa | vedclass

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(D) The reactivity of alkyl halides towards $SN^{1}$ reactions depends on the stability of the carbocation intermediate formed. The order of stability

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$CH_{3}Br$

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(D) The reactivity of alkyl halides towards $SN^{1}$ reactions depends on the stability of the carbocation intermediate formed. The order of stability of carbocations is: $3^{\circ} > 2^{\circ} > 1^{\circ} > 	ext{methyl}$. Therefore,the order of reactivity towards $SN^{1}$ is: $(CH_{3})_{3}CBr > CH_{3}CH(Br)CH_{3} > CH_{3}CH_{2}Br > CH_{3}Br$. Thus,$CH_{3}Br$ (methyl bromide) is the least reactive.

Which of the following is least reactive towards $SN^{1}$ reactions?

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