VCl₃

VOSO₄

Na₃VO₅

[V(H₂O)₆SO₄].H₂O

Larger size of actinoids than the lanthanoids

Lesser energy difference between 5f and 6d orbitals than in between 4f and 5d orbitals

Larger energy difference between 5f and 6d orbitals than in between 4f and 5d orbitals

Greater reactivity of actinoids than the lanthanoids

Increase as the atomic number increases

Decrease as the atomic number increases

Do not show any change as the addition of electron takes place in the inner (n − 1)d orbitals

None of the above

Copper (II) sulphate

Zinc (II) chloride

Chromium (III) sulphate

Manganese (II) oxalate

Its oxidation state changes

Its magnetic character changes

Its coordination number changes

In water, it shows fluoroscence