JEE Main & Advanced Chemistry Hydrocarbons / हाइड्रोकार्बन Question Bank Alkane

  • question_answer
    Photochemical chlorination of alkane is initiated by a process of [Kerala PMT 2004]

    A) Pyrolysis

    B) Substitution

    C) Cracking

    D) Peroxidation

    E) Homolysis

    Correct Answer: E

    Solution :

               Photochemical chlorination of alkane take place by free radical mechanism which are possible by Homolysis of C - C bond                    \[C{{l}_{2}}\xrightarrow{hv}C{{l}^{\bullet }}+C{{l}^{\bullet }}\] \[C{{H}_{3}}-C{{H}_{3}}+C{{l}^{\bullet }}\to C{{H}_{3}}C{{l}^{\bullet }}+\dot{C}{{H}_{3}}\]


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