MCQ
The element which shows only one oxidation state other than its elemental form is:
- ACobalt
- ✓Scandium
- CTitanium
- DNickel
✓
Answer
Correct option: B.
Scandium
b
Co, $T i, N i$ can show $+2,+3$ and +$4$ oxidation state, But 'Sc' only shows +$3$ stable oxidation state.
Co, $T i, N i$ can show $+2,+3$ and +$4$ oxidation state, But 'Sc' only shows +$3$ stable oxidation state.
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