JEE Main & Advanced Sample Paper JEE Main - Mock Test - 40

  • question_answer
    Orthoboric acid -

    A) donate proton to form \[{{H}_{2}}B{{O}_{3}}^{-}\]

    B) accept proton of form \[{{H}_{4}}B{{O}_{3}}^{+}\]

    C) donate OH- to form \[{{H}_{2}}B{{O}_{2}}^{+}\]

    D) accept OH- to form \[{{[B{{(OH)}_{4}}]}^{-}}\]

    Correct Answer: D

    Solution :

    \[{{H}_{3}}B{{O}_{3}}\] acts as a Lewis acid and accepts \[O{{H}^{-}}\] ions to form \[{{[B{{(OH)}_{4}}]}^{-}}\]


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