The Questions Below Refer to the Following System

question 39

Multiple Choice

The questions below refer to the following system:
Co(H₂O) ₆²⁺ + 4 Cl^- CoCl₄^2- + 6H₂O
(pink)
(blue)
When cobalt(II) chloride is added to pure water,the Co²⁺ ions hydrate.The hydrated form then reacts with the Cl^- ions to set up the equilibrium shown here.
-Which statement below describes the change that the system will undergo if silver nitrate is added?

• A)It should become more blue.
• B)It should become more pink.
• C)Water will be produced.
• D)The silver ion will react with the CoCl₄^2-.
• E)Nothing will change.

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