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Which method of purification is represen...

Which method of purification is represented by the following equation?
`Ti(s)+2I_(2)(g)overset(523K)(to) Til_(4)(g)overset(1700K)(to)Ti(s)+2I_(2)(g)`

A

Zone refining

B

Cupellation

C

Polling

D

van-Arkel

Text Solution

Verified by Experts

(d) van-Arkel (and de Boer) process is based on the thermal decomposition of a volagtile compound like an iodide which is first formed by direct combination of metal to be purified and iodine. Metal formed is in purest form. Titanium and zirconium are purified by this method.
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