Statement-1: Colour of lanthanide ions are pale in nature.
Statement-2: In the f-f transition change m subsidiary quantum number is zero.

see full answer

Start JEE / NEET / Foundation preparation at rupees 99/day !!

21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!

An Intiative by Sri Chaitanya

Statement-1 is False, Statement-2 is True.

Statement-1 is True, Statement-2 is False.

Statement-1 is True, Statement-2 is True, Statement-2 is NOT a correct. explanation for Statement-1.

Statement-1 is True, Statement-2 is True; Statement-2 is a correct explanation for Statement-1.

answer is A.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

Lanthanide ions typically have a light colour. Because The m subsidiary quantum number is 0 during the f-f transition phase. f-f transitions are what give lanthanoids and actinoids their colour. Visible light is absorbed when one or more unpaired electrons are present in the f orbital, causing an f-f transition and colour.

Watch 3-min video & get full concept clarity