Question

Write a note on colours in coordination compounds.

Answer 1

It has been observed that coordination compounds exhibit a wide range of colors. The coloration of opaque substances is due to the absorption of a particular wavelength of the visible light falling on their surface by those opaque substances. This means that coordination compounds absorb some of the visible spectra from white light when it falls on its surface. The spectrum of light reflected by them doesn’t contain the color of a wavelength that was absorbed by the substance. Hence, we observe the color of the coordination compound to be complimentary of the color absorbed by it.

Answer 2

Refer to attached file for answer.