MetallurgyHard

Question

Which does not represent correct method ?

Options

A.TiCl2 + 2Mg → Ti + 2MgCl2   :  Kroll
B.Ni(CO)4 → Ni + 4CO    : Mond
C.Ag2CO3 → 2Ag + CO2 + O2     : Van Arkel
D.ZrI4 → Zr + 2I2   : Van Arkel

Solution

It is not called van Arkel method. Van Arkel method is used for the purification of Zr and Ti. Reaction (C) is simple thermal decomposition of Ag2CO3.

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