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Question
Describe the role of the following in the process mentioned.
Iodine in the refining of Zirconium.
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Solution
Zirconium crude metal is heated with iodine in an evacuated vapour to separate from impurities and this decomposes at 1800 K to give a pure zirconium metal and iodine. Initially, iodine is heated with zirconium to form a volatile compound.
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