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

Which of the following pairs of metals is purified by van Arkel method?
  1. $\mathrm{Zr}$ and Ti
  2. $\mathrm{Ag}$ and $\mathrm{Au}$
  3. $\mathrm{Ni}$ and Fe
  4. Ga and In

Solution

$\mathrm{Zr}$ and Ti are purified by van Arkel method.

Asked in: NEET 2011 (Screening)

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