What is the secondary valence of $\mathrm{Co}^{3+}$ ion according to Werner's theory in…

What is the secondary valence of $\mathrm{Co}^{3+}$ ion according to Werner's theory in $\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{4} \mathrm{Cl}_{2}\right]^{+}$ ?
  1. 5
  2. 4
  3. 3
  4. 6

Solution

Secondary valence $=$ Coordination number $=6$

Asked in: MHT CET 2020 (16 Oct Shift 2)

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