JEE Main Chemistry question

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

Not in JEE Main or NEET syllabus

Which of the following pairs of metals is purified by van Arkel method?

(A)Ni and Fe
(B)Ga and In
(C)Zr and TiCorrect
(D)Ag and Au

Answer: (C)

Solution

The van-Arkel iodide process is the standard purification method for Zr and Ti (and related metals like Th, V), converting them to volatile iodides that are later decomposed on a hot filament.

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Question ID VK-145345