- The IUPAC name of the complex [Co(NH3)4Cl2]NO2 is: (A) Tetraamminedichlorocobalt(III) nitrate (B) Tetraamminedichlorocobalt(II) nitrate (C) Tetraamminedichlorocobalt(III) nitrite (D) Tetraamminedichlorocobalt(II) nitrite
The answer is (C) Tetraamminedichlorocobalt(III) nitrite.
The compound is a coordination complex with the formula [Co(NH3)4Cl2]NO2. It is composed of a cobalt(III) ion, four ammonia molecules, two chloride ions, and one nitrate ion. The cobalt(III) ion is the central atom of the complex, and it is coordinated to the four ammonia molecules and the two chloride ions. The nitrate ion is a ligand that is bound to the cobalt(III) ion through its oxygen atoms. The IUPAC name of the complex is Tetraamminedichlorocobalt(III) nitrite.
- Which of the following is an example of coordination isomerism? (A) [Cr(NH3)5