1. Tardigrade
  2. Question
  3. Chemistry
  4. Give reasons for the following in one or two sentences: (i) Methane does not react with chlorine in the dark. (ii) Propene reacts with HBr to give isopropyl bromide but does not given-propyl bromide.

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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 $HBr$ to give isopropyl bromide but does not
given-propyl bromide.

IIT JEEIIT JEE 1983Hydrocarbons

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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