J & K CET Engineering J and K - CET Engineering Solved Paper-2006

  • question_answer
    What is the product formed when phosphorus trioxide is dissolved in water?

    A) \[~HP{{O}_{3}}\]       

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

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

    D) \[~HP{{O}_{2}}\]

    Correct Answer: C

    Solution :

     When phosphorus trioxide is dissolved in water, phosphorus acid\[({{H}_{3}}P{{O}_{3}})\] is formed. \[{{P}_{4}}{{O}_{6}}+6{{H}_{2}}O\to 4{{H}_{3}}P{{O}_{3}}\]


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