Q77 / 180 · AIIMS 2015 · Chemistry

Which of the following is not the correct match?

  • A
    Leaching : $\mathrm{Ag}$
  • Correct answer
    B
    Zone refining : $\mathrm{Sn}$
  • C
    Liquation : $\mathrm{Pb}$
  • D
    van Arkel : $\mathrm{Zr}$

Solution

Zone refining method is used for the elements like $\mathrm{Si}, \mathrm{Ge}, \mathrm{Ga}$ etc. which are used as semiconductors and are required in highly pure form.

Hence, the correct answer is option: 'B'.

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