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PRACTICE PROBLEM 21.1
For each of the following complexes, determine the oxidation state of the metal and the total number of valence electrons it possesses.
(a)
(b)
(c)
Interpretation:
The oxidation state of a metal and the total number of valence electrons in metals in the complexes is to be determined.
Concept introduction:
The oxidation state of a metal in a complex is the charge on the metal that would be there even if all the anionic ligands and counter ions were removed.
The total number of valence electrons of a metal in a complex is obtained by the following formula:
Total number of valence electrons of metal in complex =
Here,
Answer to Problem 1PP
Solution:
(a)
Oxidation state of Rh is
(b)
Oxidation state of Hg is
(c)
Oxidation state of Ni is
Explanation of Solution
Given information:
The oxidation state of rhodium is
Charge on rhodium is as follows:
Here,
Now, d-electrons in rhodium are
Total number of valence electrons of metal in complex =
Here,
For rhodium, the total number of valence electrons in the complex
Thus, the number of valence electrons in rhodium is
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Chapter 21 Solutions
ORGANIC CHEM. VOL.1+2-W/WILEYPLUS
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Principles of Modern ChemistryChemistryISBN:9781305079113Author:David W. Oxtoby, H. Pat Gillis, Laurie J. ButlerPublisher:Cengage Learning