Pl answer 

Asked by jain.pradeep | 27th Feb, 2020, 02:48: PM

Expert Answer:

The correct answer is option 1.

Van Arkel method is used for refining Zirconium or Titanium. In this method oxygen and nitrogen, present as impurity are removed by heating metal in an evacuated vessel with iodine. The metal iodide volatize and it is decomposed on a tungsten filament, heated to about 1800K. The pure metal is deposited on the filament.

Answered by Ramandeep | 27th Feb, 2020, 06:31: PM