Class 12 NEET Chemistry Haloalkanes and Haloarenes

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Question : 18 of 67
 
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Predict the order of reactivity of the following four isomers towards SN2 reaction.
(I) CH3CH2CH2CH2‌Cl
(II) CH3CH2‌CH(Cl)‌CH3
(III) (CH3)2CHCH2‌Cl
(IV) (CH3)3‌CCl
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