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10.16     Arrange the compounds of each set in order of reactivity towards SN2 displacement:

         (ii)     1-Bromo-3-methylbutane, 2-Bromo-2-methylbutane, 2-Bromo-3-methylbutane 

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(ii) In this case, also, the order of the rate of reaction will be decided from the steric hindrance factor.

                 

It is clear from the above that the steric hindrance in 2-Bromo-2-methylbutane highest (note that hindrance of the carbon attached to halide ion is seen). So the order of the rate of reaction is:-  

                    2-Bromo-2-methylbutane < 2-Bromo-3-methylbutane < 1-Bromo-3-methylbutane

Posted by

Devendra Khairwa

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