The statement that is INCORRECT


The statement that is INCORRECT about Ellingham diagram is


  1. provides idea about the reaction rate.

  2. provides idea about free energy change.

  3. provides idea about changes in the phases during the reaction.

  4. provides idea about reduction of metal oxide.

Correct Option: 1


Ellingham diagram is a plot between $\Delta \mathrm{G}^{\circ}$ and $\mathrm{T}$ and does not give any information regarding rate of reaction

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