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COMEDK2013ChemistryGeneral Principles and Processes of Isolation of Metals

In Goldschmidt aluminothermic process, thermite contains

Options

  1. A3 parts of Al ₂ O ₃ and 4 parts of Al
  2. B3 parts of Fe ₂ O ₃ and 2 parts of Al
  3. C3 parts of Fe ₂ O ₃ and 1 part of Al
  4. D1 part of Fe ₂ O ₃ and 1 part of Al

Correct answer

C. 3 parts of Fe ₂ O ₃ and 1 part of Al

Step-by-step solution

In Goldschmidt aluminothermic process, thermite contains 3 parts of Fe ₂ O ₃ and 1 part of aluminium ( Al ) . Fe ₂ O ₃+2 Al Al ₂ O ₃+2 Fe + Heat

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