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AFMC AFMC Solved Paper-2002

  • question_answer
    The increasing order of acidity of \[{{H}_{2}}{{O}_{2}},{{H}_{2}}O\] and \[C{{O}_{2}}\] is :

    A) \[{{H}_{2}}{{O}_{2}}>{{H}_{2}}O>C{{O}_{2}}\]

    B) \[{{H}_{2}}{{O}_{2}}>C{{O}_{2}}>{{H}_{2}}O\]

    C) \[~H2O>{{H}_{2}}{{O}_{2}}>CO{{  }_{2}}\]

    D) \[{{H}_{2}}O<{{H}_{2}}{{O}_{2}}<C{{O}_{2}}\]

    Correct Answer: D

    Solution :

    \[{{H}_{2}}O\]is neutral, \[{{H}_{2}}{{O}_{2}}\]is weakest acid and \[C{{O}_{2}}\]is acidic. Hence, order of acidity is \[{{H}_{2}}O<{{H}_{2}}{{O}_{2}}<C{{O}_{2}}\]


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