MCQ
The most important oxidation state of copper is
- A$1$
- ✓$2$
- C$3$
- D$4$
✓
Answer
Correct option: B.
$2$
b
(b) $ + 2$ is most important oxidation state
(b) $ + 2$ is most important oxidation state
$C{u^{ + 1}} + {e^ - } \to Cu$; ${E^0} = + 0.52\,V$
$C{u^{ + 2}} + 2{e^ - } \to Cu$; ${E^0} = + 0.34\,V$
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