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

  • question_answer
    By the action of hot conc. \[{{H}_{2}}S{{O}_{4}},\] phosphorus changes to [Roorkee 1992]

    A) Phosphorus acid

    B) Orthophosphoric acid

    C) Metaphosphoric acid

    D) Pyrophosphoric acid

    Correct Answer: B

    Solution :

    \[{{P}_{4}}+6{{H}_{2}}S{{O}_{4}}\,\to \,4{{H}_{3}}P{{O}_{4}}+6S{{O}_{2}}\]


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