Synthesizing and Investigating Cobalt Complexes: UV-Vis and Structure-Property Relationships

Post-Lab Activity


22. Using your eyes as the detector and the complimentary color wheel, what color of light is each complex absorbing?

Complex

Complex Color

Color of Light Absorbed by the Complex

Glycine Complex
[Co(C2O2NH4)3]

 

 

Oxalate Complex
[Co(C2O4)3]3-

 

 

Water Complex
[Co(H2O)6]3+

 

 

Phenanthroline Complex
[Co(C12H8N2)3]3+

 

 

Cyanide Complex
[Co(CN)6]3-

 

 
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