JEE Main & Advanced Chemistry The p-block Elements-II / p-ब्लॉक तत्व-II Question Bank Nitrogen Family

  • question_answer
    One of the acid listed below is formed from \[{{P}_{2}}{{O}_{3}}\] and the rest are formed from \[{{P}_{2}}{{O}_{5}}\]. The acid formed from phosphorus (III) oxide is [NCERT 1975]

    A) \[HP{{O}_{3}}\]

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

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

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

    Correct Answer: D

    Solution :

      \[{{P}_{2}}{{O}_{3}}+3{{H}_{2}}O\,\to \,2{{H}_{3}}P{{O}_{3}}\]


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