2. Sample Papers
  3. 12th Class
  4. Chemistry

12th Class Chemistry Sample Paper Chemistry Sample Test Paper-5

  • question_answer
      What is the role of benzoyl peroxide in addition polymerization of alkenes. Explain its mode of action with the help of an example.                                                                                                                                                          [3]

    Answer:

      Benzoyl peroxide  is a free-radical generating initiator. Polymerisation of ethene to polythene consists of heating or exposing to light a mixture of ethene and small amount of benzoyl peroxide initiator. Polymerisation involves following steps Step I Chain initiation step [1] Step II Chain propagating step          [1] Step III Chain termination step


You need to login to perform this action.
You will be redirected in 3 sec spinner