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Which oxides will not give metal on heat...

Which oxides will not give metal on heating

A

HgO

B

ZnO

C

`Ag_(2)O`

D

All of these

Text Solution

Verified by Experts

The correct Answer is:
B
From the ellinghams diagram it is clear that `DeltaG^(0)` for the formation of `HgO, Ag_(2)O` its +ve (non spontaneous) so they decomposes to give metal, but not ZnO it has-ve `DeltaG^(0)` for the formation.
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