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NEET Sample Paper NEET Sample Test Paper-88

  • question_answer
    \[{{H}_{3}}B{{O}_{2}}\]is

    A) monobasic and weak Lewis acid

    B) monobasic and weak Bronsted acid

    C) monobasic and strong Lewis acid

    D) tribasic and weak Bronsted acid

    Correct Answer: A

    Solution :

    [a] The boron atom in boric acid, \[{{H}_{3}}B{{O}_{3}}\] is electron deficient i.e., boric acid is a Lewis acid with one p-orbital vacant. There is no d-orbital of suitable energy in boron atom. So, it can accommodate only one additional electron pair in its outermost shell.


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