Question

Consider the co-ordination compound [CoNH₃)₅Cl]Cl₂

a) Write the IUPAC name of the above coordination compound.

b) i) What is the primary valency and secondary valency of the central metal ion in the above co-ordination compound?

ii) Write the name of isomerism exhibited by the complex [Pt(NH₃)₂Cl₂] Represent the possible isomers.

Answer 1

a) Pentaamminechloiidocobalt(lll) chloride

b) i) Primary valency: +3 Secondary valency: 6

ii) Geometric isomerism or cis-trans isomerism