General Principles and Processes of Isolation of Elements - Result Question 16

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

[2011]

(a) Ga and In

(b) Zr and Ti

(c) Ag and Au

(d) Ni and Fe

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Solution:

  1. (b) Zr and Ti are purified by van Arkel method.

Zr(s)+2I2(g)ZrI4(g)ZrI4(g) filament  On the hot Zr(s)+2I2(g)



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