Question
Question: Elements which generally exhibit multiple oxidation states and whose ions are usually coloured are....
Elements which generally exhibit multiple oxidation states and whose ions are usually coloured are.
A
Metalloids
B
Transition elements
C
Non-metals
D
Gases
Answer
Transition elements
Explanation
Solution
They show multiple oxidation state due to availability of vacant d-orbitals.
They are coloured due to d-d transition.