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AP EAMCET2011ChemistryGeneral Principles and Processes of Isolation of Metals

Which one of the following oxides is reduced by water gas to obtain the metal during its extraction?

Options

  1. ANiO
  2. BZnO
  3. CWO ₃
  4. DFe ₂ O ₃

Correct answer

C. WO ₃

Step-by-step solution

Nickel oxide is reduced by water gas to obtain the metal. Other oxides are reduced by other reducing agent. gathered ZnO + C Zn + CO WO ₃+3 H ₂ W +3 H ₂ O Fe ₂ O ₃+3 CO 2 Fe +3 CO ₂ 2 NiO + CO + H ₂ _ Water gas 2 Ni + CO ₂+ H ₂ O gathered

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