WB JEE Medical WB JEE Medical Solved Paper-2007

  • question_answer
    Which of the following can behave as an acid as well as base?

    A)  \[HCl\]                                

    B)  \[{{H}_{2}}S{{O}_{4}}\]

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

    D)  \[N{{H}_{3}}\]

    Correct Answer: C

    Solution :

                     Water can behave as an acid as well as base. \[HCl+\underset{base}{\mathop{{{H}_{2}}O}}\,{{H}_{3}}{{O}^{+}}+C{{l}^{-}}\]                 \[N{{H}_{3}}+\underset{acid}{\mathop{{{H}_{2}}O}}\,NH_{4}^{+}+O{{H}^{-}}\]


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