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

  • question_answer
    Phosphorus is manufactured by heating in a electric furnace a mixture of NCERT 1977; CPMT 1974, 78, 81, 86]

    A) Bone ash and coke

    B) Bone ash and silica

    C) Bone ash, silica and coke

    D) None of these

    Correct Answer: C

    Solution :

    \[2C{{a}_{3}}{{(P{{O}_{4}})}_{2}}+6Si{{O}_{2}}\,\xrightarrow{\text{1770K}}\]\[6CaSi{{O}_{3}}+{{P}_{4}}{{O}_{10}}\] \[{{P}_{4}}{{O}_{10}}+10C\,\xrightarrow{\text{1770K}}\,\underset{\text{White }}{\mathop{{{P}_{4}}}}\,+10CO\]


You need to login to perform this action.
You will be redirected in 3 sec spinner