Answer all questions using this reaction of a dark blue solution of zinc Il ions being mixed with a chlorate ion solution that has a yellow color. When equilibrium is reached they form a green solution and also have the presence of a white crystalline solid of zinc Il chlorate.
In this case the precipitate does dissociate as part of the equilibrium reaction.
Zn^2+ Plus ClO31 <—->
* Write the correct formula for the product
* Write correct physical states for all reactants and products.
* Balance the equation showing all work.
* If colorless Na+ ion solution is added to the reaction after equilibrium is reached what shift will occur and why? (need to explain all interactions)
* What color change will be observed?
* What is the formula for a chlorite ion and explain how it differs from chlorate?
Question 2– Explain two properties of an equilibrium reaction system that are equal when equilibrium has been reached.
Question 3 -
Explain two properties of an equilibrium reaction system that are not certainly equal when equilibrium has been reached.
Product formula: Zn(ClO3)2
Physical states:
Zn^2+ (aq) + ClO3^- (aq) <—-> Zn(ClO3)2 (aq) + solid
Balanced equation: 2Zn^2+ (aq) + 3ClO3^- (aq) <—-> Zn(ClO3)2 (aq) + solid
Adding colorless Na+ ions will shift the equilibrium to the left because Na+ ions will react with ClO3^- ions to form NaClO3, which will decrease the concentration of ClO3^- ions. This will result in more Zn(ClO3)2 precipitate forming, leading to a shift to the left.
The color change observed will be from green to a lighter green or potential colorless solution due to the decrease in ClO3^- ions.
The formula for a chlorite ion is ClO2^- and it differs from chlorate as it contains one less oxygen atom.
Properties of an equilibrium reaction system that are equal when equilibrium has been reached include the rate of the forward reaction being equal to the rate of the reverse reaction, and the concentrations of all species remaining constant.
Properties of an equilibrium reaction system that are not certainly equal when equilibrium has been reached include the concentrations of reactants and products, which may not be equal but remain stable, and the energy levels of the reactants and products, which may not necessarily be equal but are balanced in terms of stability.