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NEET Chemistry Metallurgy / धातुकर्म Question Bank Self Evaluation Test - General Principals and Process of Isolation of Elements

  • question_answer
    van Arkel method of purification of metals involves converting the metal to a

    A) volatile stable compound

    B) volatile unstable compound

    C) non volatile stable compound

    D) None of the above

    Correct Answer: A

    Solution :

    [a]  \[Ti+2{{I}_{2}}\xrightarrow{523K}\underset{\begin{smallmatrix}  Volatile\,\,\,stable\,\, \\  compound \end{smallmatrix}}{\mathop{Ti{{I}_{4}}}}\,\] \[\xrightarrow{1700K}\underset{Pure\text{ }metal}{\mathop{Ti}}\,+2{{I}_{2}}\]


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