The purification of Zr (Zirconium) is carried | vedclass

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(D) The $Van$ $Arkel$ method is used for the refining of metals like $Zr$ and $Ti$. In this process,the metal is converted into a volatile iodide comp

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$Iodine$

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(D) The $Van$ $Arkel$ method is used for the refining of metals like $Zr$ and $Ti$. In this process,the metal is converted into a volatile iodide compound by reacting it with $I_2$ vapor at a specific temperature. The reaction is: $Zr(s) + 2I_2(g) \xrightarrow{870K} ZrI_4(g)$. The volatile $ZrI_4$ is then decomposed on a tungsten filament at a higher temperature $(2075K)$ to obtain pure $Zr$.

The purification of $Zr$ (Zirconium) is carried out by the $Van$ $Arkel$ method. Which halogen is used in this process?

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