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CBSE Class 12-science Answered

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Asked by jain.pradeep | 28 Feb, 2020, 11:38: AM
answered-by-expert Expert Answer
Correct option is (a)
 
Certain metals can be obatined in ultra pure sate by heating with iodine and then decomposing it at much higher temperature is known as Van Arkel Process.
 
Van Arkel Method is used to prepare ultra pure metals.
In this method, impure metal is first converted into volatile stable compound generally iodine.
Iodine is then decomposed at high temperature to get pure metal.
 
Metals Zr, U, Th, Ti are purified by this method.
 
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