Colour of transition metal ions | the d-block elements | Chemistry | Khan Academy

In this video, we will explore the reasons behind why transition metal ions give a large number of coloured solutions in contrast to the s and p block elements that are predominantly white in colour. We will also look at the exceptions where certain metal ions form only white coloured compounds.

Timestamps
0:20 - General phenomenon behind colour formation.
1:53- Colour in transition metal ions
3:35 - Factors affecting the energy gap.
4:50 - Colourless compounds of transition metal ions.
5:56 - Why s and p-block elements are also white in colour?

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Created by
Revathi Ramachandran