Haloalkanes and Haloarenes - Result Question 10

####10. In an SN2 substitution reaction of the type

RBr+ClDMFRCl+Br

[2008] which one of the following has the highest reactivity rate? (a) CH3CH2CH2Br

(b)CC(C)CBr

(c)CC(C)(C)CBr

(d) CH3CH2Br

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Solution:

  1. (d) SN2 mechanism is followed in case of primary and secondary halides i.e., SN2 reaction is favoured by small groups on the carbon atom attached to halogens so reactivity order is:

i.e. option (d) is correct.



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