Which method is used for refining Zr and Ti? Explain with equation.

 

NEETprep Answer:
 
Zr and Ti are refined by van Arkel method. It involves 2 steps
(a) Formation of iodide e.g., zirconium
 
Zr+2I2ZrI4

(b) Decomposition of iodide
 
ZrI41800KZrPure+2I2