Question
Write the IUPAC name of the complex [Cr(NH3)4Cl2]+. What type of isomerism does it exhibit?
Solution
The IUPAC name of the complex [Cr(NH3)4Cl2]+ is Tetraamminedichlorochromium(III) ion.
This complex exhibits geometrical isomerism. [Cr(NH3)4Cl2]+ is a [MA4B2] type of complex, in which the two chloride ligands may be oriented cis and trans to each other.