Coordination CompoundMedium
Question
The colourless species is :
Options
A.VCl3
B.VSO4
C.Na3VO4
D.[V(H2O)6]SO4.H2O
Solution
Species having incompeltely filled d-orbitals also have unpaired electron in d-orbitaland hence will be coloured. Species having completely filled or vacant electronj in dorbital, hence it will be colourless.
V3+ in VCl3 : [Ne]3s2p6d2
V2+ in VSO4 : [Ne]3s2p6d3
V5+ in Na3VO4 : [Ne]3s2p6d0
V2+ in [V(H2O2)6]SO4 : [Ne]3s2p6d3
V3+ in VCl3 : [Ne]3s2p6d2
V2+ in VSO4 : [Ne]3s2p6d3
V5+ in Na3VO4 : [Ne]3s2p6d0
V2+ in [V(H2O2)6]SO4 : [Ne]3s2p6d3
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