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

  • question_answer
    The oxyacid of phosphorus, in which phosphorus has the lowest oxidation state, is  [KCET (Med.) 2001]

    A) Hypophosphorus acid

    B) Orthophosphoric acid

    C) Pyrophosphoric acid

    D) Metaphosphoric acid

    Correct Answer: A

    Solution :

    \[\underset{x=+1}{\mathop{\underset{3+x-4=0}{\mathop{{{H}_{3}}\overset{*}{\mathop{P}}\,{{O}_{2}}}}\,}}\,\]


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