Quiz about Complete Ionic Equations

Question 1

Identify the type of chemical equation described as "equations that show ions in aqueous solution as separate charged particles."

Accepted Answer

Complete ionic equation

Answer

Molecular equation

Answer

Net ionic equation

Question 2

When mercury (II) nitrate and potassium iodide are combined, which of the following are spectator ions? Check all that apply.

Accepted Answer

K+

Accepted Answer

(NO3)-

Answer

Hg+2

Answer

I-

Answer

Hg+

Question 3

What are the spectator ions in the reaction of sodium chloride with silver nitrate?

Accepted Answer

sodium ion and nitrate ion

Answer

silver ion and nitrate ion

Answer

sodium ion and chloride ion

Answer

silver ion and chloride ion

Question 4

Considering the following reaction: $ \ce{Na2SO4(aq) + BaCl2(aq) -> BaSO4(s) + 2NaCl(aq)} $ What is the correct complete ionic equation?

Accepted Answer

$ \ce{2Na^+(aq) + SO4^{2-}(aq) + Ba^{2+}(aq) + 2Cl^-(aq) -> BaSO4(s) + 2Na^+(aq) + 2Cl^-(aq)} $

Answer

$ \ce{Na2^+(aq) + SO4^{2-}(aq) + Ba^{2+}(aq) + Cl2^-(aq) -> BaSO4(s) + Na2^+(aq) + Cl2^-(aq)} $

Answer

$ \ce{Na^+(aq) + SO4^{2-}(aq) + Ba^{2+}(aq) + Cl^-(aq) -> BaSO4(s) + Na^+(aq) + Cl^-(aq)} $

Answer

$ \ce{2Na^+(aq) + SO4^{2-}(aq) + Ba^{2+}(aq) + 2Cl^-(aq) -> BaSO4(s) + Na^+(aq) + Cl^-(aq)} $

Question 5

Which of the following best describes a complete ionic equation?

Accepted Answer

An equation that shows all of the ions present in a reaction.

Answer

An equation that shows only the reactants and products in their molecular form.

Answer

An equation that shows only the ions that participate in the reaction.

Answer

An equation that shows the balanced chemical equation without ions.

Question 6

Identify the complete ionic equation for the reaction: $ \ce{Ca(NO3)2(aq) + Na2CO3(aq) -> CaCO3(s) + 2NaNO3(aq)} $

Accepted Answer

$ \ce{Ca^{2+}(aq) + 2NO3^-(aq) + 2Na^+(aq) + CO3^{2-}(aq) -> CaCO3(s) + 2Na^+(aq) + 2NO3^-(aq)} $

Answer

$ \ce{Ca^{2+}(aq) + NO3^-(aq) + Na^+(aq) + CO3^{2-}(aq) -> CaCO3(s) + Na^+(aq) + NO3^-(aq)} $

Answer

$ \ce{Ca^{2+}(aq) + 2NO3^-(aq) + Na2^+(aq) + CO3^{2-}(aq) -> CaCO3(s) + Na2^+(aq) + 2NO3^-(aq)} $

Answer

$ \ce{Ca^{2+}(aq) + 2NO3^-(aq) + 2Na^+(aq) + CO3^{2-}(aq) -> CaCO3(s) + Na^+(aq) + NO3^-(aq)} $

Question 7

What is the role of spectator ions in a complete ionic equation?

Accepted Answer

They remain unchanged and do not participate in the reaction.

Answer

They participate in the formation of the precipitate.

Answer

They are involved in the chemical reaction.

Answer

They change their oxidation state during the reaction.

Question 8

Which of the following is a spectator ion in the reaction: $ \ce{AgNO3(aq) + NaCl(aq) -> AgCl(s) + NaNO3(aq)} $

Accepted Answer

$ \ce{Na^+} $

Answer

$ \ce{Ag^+} $

Answer

$ \ce{Cl^-} $

Answer

$ \ce{AgCl} $

Question 9

In the reaction $ \ce{HCl(aq) + NaOH(aq) -> NaCl(aq) + H2O(l)} $, what is the complete ionic equation?

Accepted Answer

$ \ce{H^+(aq) + Cl^-(aq) + Na^+(aq) + OH^-(aq) -> Na^+(aq) + Cl^-(aq) + H2O(l)} $

Answer

$ \ce{H^+(aq) + Cl^-(aq) + Na^+(aq) + OH^-(aq) -> NaCl(aq) + H2O(l)} $

Answer

$ \ce{H^+(aq) + OH^-(aq) -> H2O(l)} $

Answer

$ \ce{HCl(aq) + NaOH(aq) -> NaCl(aq) + H2O(l)} $

Question 10

Which of the following reactions will not have a complete ionic equation?

Accepted Answer

$ \ce{C6H12O6(aq) + O2(g) -> CO2(g) + H2O(l)} $

Answer

$ \ce{HCl(aq) + NaOH(aq) -> NaCl(aq) + H2O(l)} $

Answer

$ \ce{AgNO3(aq) + NaCl(aq) -> AgCl(s) + NaNO3(aq)} $

Answer

$ \ce{Ba(NO3)2(aq) + K2SO4(aq) -> BaSO4(s) + 2KNO3(aq)} $

Question 11

What is the complete ionic equation for the reaction: $ \ce{K2SO4(aq) + Ba(NO3)2(aq) -> BaSO4(s) + 2KNO3(aq)} $

Accepted Answer

$ \ce{2K^+(aq) + SO4^{2-}(aq) + Ba^{2+}(aq) + 2NO3^-(aq) -> BaSO4(s) + 2K^+(aq) + 2NO3^-(aq)} $

Answer

$ \ce{K2^+(aq) + SO4^{2-}(aq) + Ba^{2+}(aq) + NO3^-(aq) -> BaSO4(s) + K2^+(aq) + NO3^-(aq)} $

Answer

$ \ce{K^+(aq) + SO4^{2-}(aq) + Ba^{2+}(aq) + NO3^-(aq) -> BaSO4(s) + K^+(aq) + NO3^-(aq)} $

Answer

$ \ce{2K^+(aq) + SO4^{2-}(aq) + Ba^{2+}(aq) + 2NO3^-(aq) -> BaSO4(s) + K^+(aq) + NO3^-(aq)} $

Question 12

Which of the following is true about complete ionic equations?

Accepted Answer

They show all ions present in the reaction, including spectator ions.

Answer

They only include the ions that form the precipitate.

Answer

They exclude spectator ions.

Answer

They are the same as net ionic equations.

Question 13

In the reaction $ \ce{FeCl3(aq) + 3NaOH(aq) -> Fe(OH)3(s) + 3NaCl(aq)} $, what is the complete ionic equation?

Accepted Answer

$ \ce{Fe^{3+}(aq) + 3Cl^-(aq) + 3Na^+(aq) + 3OH^-(aq) -> Fe(OH)3(s) + 3Na^+(aq) + 3Cl^-(aq)} $

Answer

$ \ce{Fe^{3+}(aq) + Cl^-(aq) + Na^+(aq) + OH^-(aq) -> Fe(OH)3(s) + Na^+(aq) + Cl^-(aq)} $

Answer

$ \ce{Fe^{3+}(aq) + 3Cl^-(aq) + Na^+(aq) + OH^-(aq) -> Fe(OH)3(s) + Na^+(aq) + Cl^-(aq)} $

Answer

$ \ce{Fe^{3+}(aq) + Cl^-(aq) + 3Na^+(aq) + 3OH^-(aq) -> Fe(OH)3(s) + Na^+(aq) + Cl^-(aq)} $

Question 14

What is the complete ionic equation for the reaction: $ \ce{NH4Cl(aq) + NaOH(aq) -> NH3(g) + H2O(l) + NaCl(aq)} $

Accepted Answer

$ \ce{NH4^+(aq) + Cl^-(aq) + Na^+(aq) + OH^-(aq) -> NH3(g) + H2O(l) + Na^+(aq) + Cl^-(aq)} $

Answer

$ \ce{NH4^+(aq) + Cl^-(aq) + Na^+(aq) + OH^-(aq) -> NH3(g) + H2O(l) + NaCl(aq)} $

Answer

$ \ce{NH4^+(aq) + OH^-(aq) -> NH3(g) + H2O(l)} $

Answer

$ \ce{NH4Cl(aq) + NaOH(aq) -> NH3(g) + H2O(l) + NaCl(aq)} $

Question 15

Which of the following is a characteristic of a complete ionic equation?

Accepted Answer

It shows all reactants and products as ions, including spectator ions.

Answer

It shows only the reactants in ionic form.

Answer

It shows only the products in ionic form.

Answer

It shows only the ions that participate in the reaction.

Question 16

In the reaction $ \ce{Pb(NO3)2(aq) + 2KI(aq) -> PbI2(s) + 2KNO3(aq)} $, what are the spectator ions?

Accepted Answer

$ \ce{K^+ \text{ and } NO3^-} $

Answer

$ \ce{Pb^{2+} \text{ and } I^-} $

Answer

$ \ce{Pb^{2+} \text{ and } NO3^-} $

Answer

$ \ce{K^+ \text{ and } I^-} $

Question 17

What is the complete ionic equation for the reaction: $ \ce{H2SO4(aq) + Ba(OH)2(aq) -> BaSO4(s) + 2H2O(l)} $

Accepted Answer

$ \ce{2H^+(aq) + SO4^{2-}(aq) + Ba^{2+}(aq) + 2OH^-(aq) -> BaSO4(s) + 2H2O(l)} $

Answer

$ \ce{H2^+(aq) + SO4^{2-}(aq) + Ba^{2+}(aq) + OH^-(aq) -> BaSO4(s) + H2O(l)} $

Answer

$ \ce{H^+(aq) + SO4^{2-}(aq) + Ba^{2+}(aq) + OH^-(aq) -> BaSO4(s) + H2O(l)} $

Answer

$ \ce{2H^+(aq) + SO4^{2-}(aq) + Ba^{2+}(aq) + OH^-(aq) -> BaSO4(s) + H2O(l)} $

Question 18

Which of the following is not a step in writing a complete ionic equation?

Accepted Answer

Include only the ions that form the precipitate.

Answer

Write the balanced molecular equation.

Answer

Identify the spectator ions.

Answer

Separate the soluble ionic compounds into their ions.

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