Which method of parification is represented by the following equation ?
`Ti(s) + 2I_*(2)(g) rarr TiI_(4)(g) rarr Ti(s) + 2I_(2)(g)`

Options

A. Cupellation
B. van Arkel process
C. Electrolytic refining
D. Zone refining

Answer

B

Explanation

This scheme take place in van Arkel process by this process ultrapure metal is prepared, the impure metal is first converted into a volatile stable compound generally iodide leaving behind the impurities which is then decomposed at a higher temperature to give the pure metal. Metals like titanium, zirconium are purified by this method.