Manipal MET2019ChemistryCoordination Compounds
The existence of two different coloured complexes of [ Co ( NH ₃ )₄ Cl ₂ ]⁺ is due to
Options
- Aionisation isomerism
- Bco-ordination isomerism
- Clinkage isomerism
- Dgeometrical isomerism
Correct answer
D. geometrical isomerism
Step-by-step solution
This complex is of the type M A₄ B₂ with co-ordination number 6. It shows geometrical isomerism. Cis form is violet coloured and trans form is green.