Ch.23 - Transition Metals and Coordination CompoundsWorksheetSee all chapters
All Chapters
Ch.1 - Intro to General Chemistry
Ch.2 - Atoms & Elements
Ch.3 - Chemical Reactions
BONUS: Lab Techniques and Procedures
BONUS: Mathematical Operations and Functions
Ch.4 - Chemical Quantities & Aqueous Reactions
Ch.5 - Gases
Ch.6 - Thermochemistry
Ch.7 - Quantum Mechanics
Ch.8 - Periodic Properties of the Elements
Ch.9 - Bonding & Molecular Structure
Ch.10 - Molecular Shapes & Valence Bond Theory
Ch.11 - Liquids, Solids & Intermolecular Forces
Ch.12 - Solutions
Ch.13 - Chemical Kinetics
Ch.14 - Chemical Equilibrium
Ch.15 - Acid and Base Equilibrium
Ch.16 - Aqueous Equilibrium
Ch. 17 - Chemical Thermodynamics
Ch.18 - Electrochemistry
Ch.19 - Nuclear Chemistry
Ch.20 - Organic Chemistry
Ch.22 - Chemistry of the Nonmetals
Ch.23 - Transition Metals and Coordination Compounds

Solution: What is the systematic name of the complex [Co(NH 3)5Cl]Cl2?

Problem

What is the systematic name of the complex [Co(NH 3)5Cl]Cl2?

Solution

We are being asked to name the given coordination compound [Co(NH3)5Cl]Cl2


Rules for Naming:

1. The metal cation is written before the nonmetal anion.

2. If the metal is a transition metal (with more than one possible charge) we must use a Roman Numeral to describe its positive charge. Transition metals with only one possible charge include Zn2+, Cd2+, and Ag+.

3. The only space in the name should appear between the cation and the anion.

4. For the complex ion portion, neutral ligands are written before anionic ligands and the formula for the whole ion is placed inside of brackets.

5. Within the complex ion, the ligands are named in alphabetical order before the metal ion.

6. Anionic ligands drop the -ide, and add -o after the root name.

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