First slide

General methods of extraction of elements from the earth crust

Question

Which process represents the following change, $Ti + 2 I_{2} ⟶ {TiI}_{4} ⟶ Ti + 2 I_{2} ?$

Moderate

A

Zone refining
B

Mond's process
C

Van Arkel method
D

Poling

Solution

Van Arkel method for refining Zirconium or Titanium. This method is very useful for removing all oxygen and nitrogen present in the form of impurity in metals like Zr and Ti.

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