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STD 12 - 4. d and f- block elements — NEET STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceNEETSTD 12 - 4. d and f- block elements4 Marks
MCQ
The element which shows only one oxidation state other than its elemental form is:
  • A
    Cobalt
  • ✓
    Scandium
  • C
    Titanium
  • D
    Nickel
✓

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.

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