JEE Main & Advanced Chemistry Metallurgy / धातुकर्म Question Bank Refining of crude Metal

  • question_answer
    Mond's process is used for preparing [MNR 1983]

    A) \[Ni\]

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

    C) \[N{{H}_{3}}\]

    D) \[HN{{O}_{3}}\]

    E) \[NaHC{{O}_{3}}\]

    Correct Answer: A

    Solution :

    Mond?s process \[\underset{\text{Impure}}{\mathop{Ni}}\,+4CO\xrightarrow{\text{heat}}[Ni{{(CO)}_{4}}]\xrightarrow{\text{Decompose}}\underset{\text{Pure}}{\mathop{Ni}}\,+4CO\]


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