Solutions of [Cr(OH2)6]3+ ions are pale blue-green, but the chromate ion, CrO42-, is an intense yellow. What is the origin of these color transitions?
1
d-d transitions in [Cr(OH2)6]3+ and charge transfer transitions in CrO42-
2
f-f transitions in [Cr(OH2)6]3+ and charge transfer transitions in CrO42-
3
d-d transitions in both [Cr(OH2)6]3+ and CrO42-
4
f-f transitions in [Cr(OH2)6]3+ and d-d transitions in CrO42-
5
Question Not Attempted