JEE Main & Advanced Chemistry The p-block Elements-II Question Bank Halogen Family

  • question_answer When chlorine water is exposed to sunlight, \[{{O}_{2}}\] is liberated. Hence [AFMC 1989]

    A) Hydrogen has little affinity to \[{{O}_{2}}\]

    B) Hydrogen has more affinity to \[{{O}_{2}}\]

    C) Hydrogen has more affinity to \[C{{l}_{2}}\]

    D) It is a reducing agent

    Correct Answer: C

    Solution :

      \[\underset{\text{Exposed to air}}{\mathop{{{H}_{2}}O+C{{l}_{2}}}}\,\,\to \,HCl+HClO\] \[HClO\,\to \,HCl+[O]\] or \[2HClO\,\to \,2HCl+{{O}_{2}}\]

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