An aqueous solution of a coordination compound with the empirical formula CoCl ₃ 3 NH ₃ does not conduct electricity and yields no precipitate upon the addition of excess AgNO ₃ solution. Which of the following types of isomerism is exhibited by this complex?

Step-by-step solution

Since the aqueous solution of CoCl ₃ 3 NH ₃ does not conduct electricity and gives no precipitate with AgNO ₃ , there are no ionisable chloride ions outside the coordination sphere. All three chloride ions and three ammonia molecules act as ligands to satisfy the secondary valency of cobalt (which is 6). The formula of the complex is [ Co(NH ₃)₃ Cl ₃] . This is an octahedral complex of the type [MA₃B₃] . Such complexes exhibit geometrical isomerism, specifically facial (fac) and meridional (mer) isomerism. They do