Answer to Question #225467 in Inorganic Chemistry for amber thompson

Question

what is the formula of the complex ion formed between water, the ligand, and Cu^2+, Co^3+, Ni^2+

Answer 1

The reaction is:

Cr₃⁺ +3 C₁₀H₈N₂ → [Cr(C₁₀H₈N₂)₃]³⁺

2,2\'-bipyridine is bidentate ligand and neutral. It exhibits two N terminal, thus, it functions as bidentate ligand.

Therefore, three 2,2\'-bipyridine ligand fulfills the six coordination number of Cr₃⁺.

The formula for the complex is [Cr(C₁₀H₈N₂)₃]³⁺