JEE Main Chemistry question

Chemistry General Principles and Processes of Isolation of Elements (Metallurgy)JEE Main

Not in JEE Main or NEET syllabus

Which method of purification is represented by the following equation?

Ti(s)+Ti(s)+

(A)Cupellation
(B)Poling
(C)Van ArkelCorrect
(D)Zone refining

Answer: (C)

Solution

Forming a volatile metal iodide at a moderate temperature and then decomposing it on a hot filament at a much higher temperature to

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Question ID VK-145411