JEE Main & Advanced Chemistry Equilibrium Question Bank Acids and Bases

  • question_answer Which of the following can act both as Bronsted acid and Bronsted base                [MP PET 1995; MP PET/PMT 1998]

    A)                 \[C{{l}^{-}}\]      

    B)                 \[HCO_{3}^{-}\]

    C)                 \[{{H}_{3}}{{O}^{+}}\]   

    D)                 \[O{{H}^{-}}\]

    Correct Answer: B

    Solution :

               Those substance accept the proton are called Bronsted base and which is donate the proton are called Bronsted acid.                    \[HCO_{3}^{-}+{{H}^{+}}\]⇌\[{{H}_{2}}C{{O}_{3}}\] Bronsted base.                                 \[HCO_{3}^{-}\]⇌\[{{H}^{+}}+CO_{3}^{-\,-}\] Bronsted acid.

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