The colour of Lanthanoids and Actinoids is due to:

s-f transitions

No worries! We‘ve got your back. Try BYJU‘S free classes today!

p-f transitions

No worries! We‘ve got your back. Try BYJU‘S free classes today!

d-f transitions

No worries! We‘ve got your back. Try BYJU‘S free classes today!

f-f transitions

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct option is D f-f transitions
The colour of Lanthanoids and Actinoids is due to f-f transitions. When one or more unpaired electrons are present in the f orbital, light in the visible region is absorbed which results in f-f transition and colour.

Suggest Corrections

Similar questions

The element in which electrons are progressively filled in 4f - orbital are called
(a) actinoids (b) transition elements (c) Lanthanoids (d) halogens

Transition metals are coloured due to the following electronic transition

K M n O_{4}

d - d

Join BYJU'S Learning Program