The element which shows only one oxidation state other than its elemental form is : (A) Cobalt (B) S — JEE Mains Chemistry Past Papers Chemistry Question
Question
The element which shows only one oxidation state other than its elemental form is : (A) Cobalt (B) Scandium (C) Titanium (D) Nickel
Answer: B
💡 Solution & Explanation
Co, Ti, Ni can show +2, +3 and +4 oxidation state, But 'Sc' only shows +3 stable oxidation state.
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