Which method is used for refining Zr and Ti ? Explain with equation. – InterviewSolution

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1.	Which method is used for refining Zr and Ti ? Explain with equation.
Answer» Solution :Zr and Ti are refined by Van Arkel method. The metal is HEATED with `I_2` and the metal iodide FORMED is decomposed by heating. `underset("(IMPURE)")(Zr) + 2I_2 to ZrI_4 OVERSET(1800k)(rarr) underset("(pure)")(Zr) + 2I_2`

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