JEE Mains Chemistry Past PapershardMCQ SINGLE

The element which shows only one oxidation state other than its elemental form is : (A) Cobalt (B) SJEE 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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