Question

Consider the following Ellingham diagram for oxides.

Below \(800^oC\), which metal can reduce \(MgO\) ?
°C Temperature (°C)—> 800

• A. $Ca$
• B. $C$
• C. $Ni$
• D. $Al$

Answer 1

The correct option is C $Ni$

Any metal will reduce the oxide of other metals which lie above it in Ellingham diagram.