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

  • question_answer
    Which method of purification is represented by the equation? \[\underset{\text{Impure}}{\mathop{Ti+2{{I}_{2}}}}\,\xrightarrow{500K}Ti{{I}_{4}}\xrightarrow{1675K}\underset{\text{Pure}}{\mathop{Ti+2{{I}_{2}}}}\,\] [AIIMS 1983]

    A) Cupellation

    B) Poling

    C) Van Arkel

    D) Zone refining

    Correct Answer: C

    Solution :

    Van Arkel method Ti and Zn are refined by this method. It is used for obtaining ultra pure metals.


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