Manipal Medical Manipal Medical Solved Paper-2005

  • question_answer
    Which of the following oxy acids of phosphorus is a reducing agent and monobasic?

    A)  \[{{H}_{3}}P{{O}_{2}}\]       

    B)  \[{{H}_{3}}P{{O}_{3}}\]

    C)  \[{{H}_{3}}P{{O}_{4}}\]        

    D)  \[{{H}_{4}}{{P}_{2}}{{O}_{6}}\]

    Correct Answer: A

    Solution :

     Hypophosphorus acid\[({{H}_{3}}P{{O}_{2}})\]is a monobasic acid which act as reducing agent. In this molecule, two\[P-H\]bonds are responsible for its reducing character and one\[O-H\]bond is responsible for its monobasic acid-character.


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