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NEETChemistryGeneral Principles and Processes of Isolation of Metals

Given the values of ∆fG° for the formation of Cr 2 O 3 and Al 2 O 3 (-540 kJ/mol and -827 kJ/mol respectively), is the reduction of Cr 2 O 3 possible with Al?

Options

  1. AYes, the reduction is possible.
  2. BNo, the reduction is not possible.
  3. CIt depends on the temperature.
  4. DBoth substances will remain unchanged.

Correct answer

A. Yes, the reduction is possible.

Step-by-step solution

Correct Option is : (A) Yes, the reduction is possible.

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