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

  • question_answer
    In the electrothermal process, the compound displaced by silica from calcium phosphate is [KCET 2004]

    A) Calcium

    B) Phosphine

    C) Phosphorus

    D) Phosphorus pentoxide

    Correct Answer: D

    Solution :

    \[C{{a}_{3}}{{(P{{O}_{4}})}_{2}}+3Si{{O}_{2}}\to 3CaSi{{O}_{3}}+{{P}_{2}}{{O}_{5}}\]


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