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JEE Main20244 Apr 2024Morning ShiftChemistryd and f Block ElementsActual

The element which shows only one oxidation state other than its elemental form is :

Options

  1. ACobalt
  2. BTitanium
  3. CNickel
  4. DScandium

Correct answer

D. Scandium

Step-by-step solution

Co, Ti , Ni can show +2,+3 and +4 oxidation state, But ' Sc ' only shows +3 stable oxidation state.

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