Q. Give reasons for the following in one or two sentences :
(i) Methane does not react with chlorine in the dark.
(ii) Propene reacts with to give isopropyl bromide but does not
given-propyl bromide.

 1165  185 IIT JEEIIT JEE 1983Hydrocarbons Report Error

Solution:

(i) Free radical chlorination of alkane require energy which is supplied either in the form of heat or radiation.
(ii) Addition of HBr proceeds through carbocation intermediates.

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