How do you explain why the addition of silver nitrate to the Fe/SCN equilibrium had an effect on the equilibrium, even though neither silver ion nor nitrate ion is written as part of the equilibrium reaction?

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Chemistry

Rodney Oneill

9 August, 05:15

How do you explain why the addition of silver nitrate to the Fe/SCN equilibrium had an effect on the equilibrium, even though neither silver ion nor nitrate ion is written as part of the equilibrium reaction?

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Kenna Garrett · Answer 1

The addition of silver nitrate to the Fe/SCN equilibrium affects the Ag + ion. Ag + reacts with the SCN to form a precipitate. It is not a part of the equilibrium reaction, but it changes the concentration and removes SCN ions. This causes equilibrium to favor the reactants and make SCN to reach equilibrium.