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COMEDK2014ChemistryGeneral Principles and Processes of Isolation of Metals

Semiconductors of very high purity are obtained by

Options

  1. Aliquation
  2. Bvapour phase refining
  3. Czone refining
  4. Delectrolysis

Correct answer

C. zone refining

Step-by-step solution

Semiconductor of very high purity are obtained by zone refining. Zone refining method is very useful for producing semiconductors and other metals of very high purity, e.g., Ge, Si, B, Ga and In.

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