NEET Sample Paper NEET Sample Test Paper-21

  • question_answer
    Bleaching action of chlorine occurs in the presence of

    A)  Moisture                     

    B)  Sun light        

    C)   \[{{O}_{2}}\]                

    D)    Dry air

    Correct Answer: A

    Solution :

    In presence of moisture,\[C{{l}_{2}}\]forms \[HOCl\] and liberates nascent oxygen easily. \[C{{l}_{2}}+{{H}_{2}}O\to 2HOCl\] \[HOCl\to HCl+[O]\] Hence, the correct option is (a).

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