Question
Question: What is the secondary valence of Co³+ ion according to Werner's theory in [Co(NH3)4Cl2]*?...
What is the secondary valence of Co³+ ion according to Werner's theory in [Co(NH3)4Cl2]*?
A
5
B
3
C
6
D
4
Answer
6
Explanation
Solution
In [Co(NH₃)₄Cl₂], Co³⁺ is surrounded by 4 NH₃ and 2 Cl⁻ ligands. According to Werner’s theory, the secondary valence is the coordination number, which here is 6.