JEE Main & Advanced Chemistry Redox Reactions / रेडॉक्स अभिक्रियाएँ Question Bank Critical Thinking

  • question_answer
    Which of the following can act as an acid and as a base [AMU 1999]

    A)                 \[HClO_{3}^{-}\]              

    B)                 \[{{H}_{2}}PO_{4}^{-}\]

    C)                 \[H{{S}^{-}}\]    

    D)                 All of these

    Correct Answer: D

    Solution :

                    Acid                                     Base
    \[HClO_{3}^{-}\] \[ClO_{3}^{2-}\]
    \[H{{S}^{-}}\] \[{{S}^{2-}}\]
    \[{{H}_{2}}PO_{4}^{-}\] \[HPO_{4}^{2-}\]


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