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5, Nickel forms a green complex ion, Ni(H206 n water. The addition of a small amount of ethylenediamine, results in a light-blue-colored solution. Ethelynediamine is a bidentate ligand, meaning it bonds to metals through two atoms of the ligand. Further addition of ethylenediamine. results in a royal blue solution while the addition of even more ethylenediamine produces a violet solution. Further addition produces no additional color changes. a. Propose a series of equilibrium reactions that would illustrate the observations. b. Predict the effect of adding solid nickel (II) nitrate to the violet solution. Explain your answer using Lee chatelier's principle. c. A small amount of hydrogen sulfide gas is bubbled through the violet solution resulting in a black precipitate and the solution turns royal b Using Le chatelier's principle, explain this observation. -g
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5, Nickel forms a green complex ion, Ni(H206 n water. The addition of a small amount of ethylenediam...
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