2006-10-15 01:47:03 · 6 answers · asked by Sharada B 3 in Science & Mathematics ➔ Chemistry
ALL D BLOCK ELEMENTS DO NOT FORM COLOURED COMPLEXES....ONLY THOSE IONS OF D BLOCK WHICH CONTAIN EMPTY OR FULLY FILLED D ORBITALS EXHIBIT COLOUR i.e THEY ABSORB LIGHT ENERGY AND RELEASE IN THE FORM OF COLOUR OF DIFFERENT WAVELENGTHS.
2006-10-15 01:55:24 · answer #1 · answered by ? 3 · 0⤊ 0⤋
Colours Of Elements And Compounds
2016-12-18 07:23:12 · answer #2 · answered by gattus 4 · 0⤊ 0⤋
If there are any gaps in the d-orbitals of the metal ion, then photons of visible light can be absorbed, and an electron can be excited from a lower orbital to a higher orbital - where there was a gap. Since a particular frequency of light has been removed, the remaining (reflected) light looks coloured.
2006-10-18 23:08:37 · answer #3 · answered by Gervald F 7 · 0⤊ 1⤋
some steel cations (and a few anions) are colored. it quite is because of the electron configuration of the steel atom interior the ion. they are commonly colored in answer too.
2016-11-23 12:45:44 · answer #4 · answered by Anonymous · 0⤊ 0⤋
Great replies, just what I was searching for.
2016-08-14 05:14:58 · answer #5 · answered by Anonymous · 0⤊ 0⤋
it is due to d-d transition and charge transfer spectra
2015-11-04 02:51:29 · answer #6 · answered by Areeba Bint e 1 · 0⤊ 0⤋