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WB JEE Medical WB JEE Medical Solved Paper-2006

  • question_answer
    \[\text{PC}{{\text{l}}_{\text{3}}}\]and cold water reacts to produce which of the following?

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

    B)  \[{{H}_{3}}P{{O}_{a2}}\]

    C)  \[{{H}_{4}}{{P}_{2}}{{O}_{7}}\]                 

    D)  \[{{H}_{3}}P{{O}_{4}}\]

    Correct Answer: A

    Solution :

                     \[PC{{l}_{3}}\] and cold water reacts to produce orrhophosphorous acid (phosphorous acid) \[{{H}_{3}}P{{O}_{3}}.\] \[PC{{l}_{3}}+3HOH\xrightarrow{{}}{{H}_{3}}P{{O}_{3}}+3HCl\]


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