Which of the following alkyl halides is most | vedclass

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(B) The reactivity of alkyl halides towards the $E_2$ mechanism depends on the stability of the transition state and steric hindrance.For $E_2$ reacti

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$CH_3CH_2CH(Br)CH_3$

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(B) The reactivity of alkyl halides towards the $E_2$ mechanism depends on the stability of the transition state and steric hindrance.For $E_2$ reactions,the order of reactivity is generally $3^\circ > 2^\circ > 1^\circ$ alkyl halides.However,in the given options,we must consider the structure of the $\beta$-carbon.Option $B$ is a $2^\circ$ alkyl halide,which is more reactive than the $1^\circ$ alkyl halides provided in $A$,$C$,and $D$.Therefore,$CH_3CH_2CH(Br)CH_3$ is the most reactive towards the $E_2$ mechanism among the choices.

Which of the following alkyl halides is most reactive towards the $E_2$ mechanism?

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