NEET | 2018Chemistry miscellaneousHard

Question

Considering Ellingham diagram, which of the following metals can be used to reduce alumina ?

Options

A.

Fe

B.

Zn

C.

Mg

D.

Cu

Solution

Mg has more –∆G value then alumina. So it will be in the lower part of Ellingham diagram. Metals which has more –∆G value can reduce those metals oxide which has less –∆G value

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