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According to Werner's theory, the primary and secondary valencies of the central metal ion in the complex [Co(NH3)4Cl2]Cl are respectively:
+1 and 4
+2 and 6
+3 and 6
+3 and 4
The sum of coordination number and oxidation number of the metal M in the complex (where en is ethylenediamine) is:
7
8
9
10
What is the sum of the coordination number and the oxidation state of the metal ion in the complex ? (Where is oxalate).
5
7
9
11
A complex ion is represented as , where en is ethylenediamine and ox is oxalate. Calculate the sum of the coordination number and oxidation state of cobalt.
4
6
9
11
If a metal M forms a complex , what is the sum of its coordination number and oxidation state?
4
6
8
10
In the complex ion (where bipy is 2,2'-bipyridine), determine the sum of the coordination number and the oxidation state of iron.
5
7
9
11
Which statement about coordination number of a cation is true?
Most metal ions exhibit only a single characteristic coordination number
The coordination number is equal to the number of ligands bonded to the metal atom
The coordination number is determined solely by the tendency to surround the metal atom with the same number of electrons as one of the rare gases
For most cations, the coordination number depends on the size, structure and charge of the ligands
