MCQ
Elements which generally exhibit multiple oxidation states and whose ions are usually coloured are
  • A
    Metalloids
  • Transition elements
  • C
    Non-metals
  • D
    Gases

Answer

Correct option: B.
Transition elements
b
(b)They show multiple oxidation state due to availability of vacant $d-$ orbitals.
They are coloured due to $d-d $ transition.

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