Ionic Equations Quiz

Why is it important to write ionic equations?

• To show the lattice structure of compounds

• To calculate the mass of reactants

• To demonstrate the color change in reactions

• To illustrate the movement of ions in a solution

What happens to sodium chloride when it is in solution?

• It evaporates

• It breaks into individual ions

• It remains as a single molecule

• It forms a solid lattice

In the reaction between silver nitrate and sodium chloride, what is the role of nitrate ions?

• They change color

• They react with sodium ions

• They form a precipitate

• They are spectator ions

What is the final ionic equation for the reaction between silver nitrate and sodium chloride?

• Ag+ + Cl- → AgCl

• AgNO3 + NaCl → AgCl + NaNO3

• Ag+ + NO3- → AgNO3

• Na+ + Cl- → NaCl

In a neutralization reaction, why is water not split into ions?

• Because it is covalent and a liquid

• Because it is a gas

• Because it is a solid

• Because it is an ionic compound

What is the general ionic equation for a neutralization reaction?

• H2O → H+ + OH-

• Ag+ + Cl- → AgCl

• Na+ + Cl- → NaCl

• H+ + OH- → H2O

In the barium sulfate example, what is the correct representation of chloride ions?

• Cl+

• Cl-

• 2Cl-

• Cl2-

What is the result of canceling out spectator ions in the barium sulfate reaction?

• Formation of a gas

• A simpler ionic equation

• A color change

• No reaction

What is the purpose of identifying spectator ions in a reaction?

• To increase the reaction rate

• To simplify the ionic equation

• To balance the equation

• To change the state of reactants

Which of the following is a solid in the barium sulfate reaction?

• Sodium chloride

• Barium sulfate

• Sodium sulfate

• Barium chloride