Which method is used for the purification of certain metals which uses metal and iodine to form a gaseous iodide?
(a) Van Arkel method
(b) Zone refining
(c) Electrolysis
(d) Distillation
The question was posed to me by my school teacher while I was bunking the class.
Query is from Crystallization of Solutions, Melts, Glasses and Gels in portion Preparative Methods of Solid State Chemistry