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NTA Abhyas JEE Main2020ChemistryGeneral Principles and Processes of Isolation of MetalsPractice

Gallium arsenide is purified by

Options

  1. Avan-Arkel method
  2. BZone-refining method
  3. CElectrolytic method
  4. DLiquation

Correct answer

B. Zone-refining method

Step-by-step solution

Gallium arsenide is purified by zone refining method. It is based on the principle that impurities are more soluble in molten state then in solid state

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