Example 24.3.2: [M(CO);]* The 18 electron rule can also be used to help identify an unknown transition metal in a compound. Take for example [M(CO)7]. To find what the unknown transition metal M is, simply work backwards: 1. 18 electrons 2. Each (CO) ligand contributes 2 electrons o 7 x 2 electrons = 14 electrons 3.18 14 4 electrons 4. d4 5. M(I) oxidation state 6. The unknown metal M must be V, Vanadium
Example 24.3.2: [M(CO);]* The 18 electron rule can also be used to help identify an unknown transition metal in a compound. Take for example [M(CO)7]. To find what the unknown transition metal M is, simply work backwards: 1. 18 electrons 2. Each (CO) ligand contributes 2 electrons o 7 x 2 electrons = 14 electrons 3.18 14 4 electrons 4. d4 5. M(I) oxidation state 6. The unknown metal M must be V, Vanadium
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter20: Chemistry Of Selected Transition Elements And Coordination Compounds
Section20.6: Coordinate Covalent Bonds: Complex Ions And Coordination Compounds
Problem 20.8PSP
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![Example 24.3.2: [M(CO);]*
The 18 electron rule can also be used to help identify an unknown transition metal in a compound. Take for example
[M(CO)7]. To find what the unknown transition metal M is, simply work backwards:
1. 18 electrons
2. Each (CO) ligand contributes 2 electrons
o 7 x 2 electrons = 14 electrons
3.18 14 4 electrons
4. d4
5. M(I) oxidation state
6. The unknown metal M must be V, Vanadium](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fdc68f264-ed7f-4393-b247-21e43f75baf9%2F11228110-f686-40ca-b234-4427be788290%2F0gl1urf_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Example 24.3.2: [M(CO);]*
The 18 electron rule can also be used to help identify an unknown transition metal in a compound. Take for example
[M(CO)7]. To find what the unknown transition metal M is, simply work backwards:
1. 18 electrons
2. Each (CO) ligand contributes 2 electrons
o 7 x 2 electrons = 14 electrons
3.18 14 4 electrons
4. d4
5. M(I) oxidation state
6. The unknown metal M must be V, Vanadium
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