JEE Main & Advanced Chemistry Equilibrium Question Bank Acids and Bases

  • question_answer Orthoboric acid in aqueous medium is    [AMU 2000]

    A)                 Monobasic         

    B)                 Dibasic

    C)                 Tribasic

    D)                 All are correct

    Correct Answer: A

    Solution :

               \[{{H}_{3}}B{{O}_{3}}+{{H}_{2}}O\] ⇌ \[{{[B{{(OH)}_{4}}]}^{-}}+{{H}^{+}}\] \[{{H}_{3}}B{{O}_{3}}\] is a weak monobasic acid if does not act as a \[{{H}^{+}}\] donor but behaves as a Lewis acid.

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