Ionic Compounds and Reactions

This video tutorial explains how to write a balanced net ionic equation for the reaction between zinc nitrate and potassium sulfide. It covers balancing the molecular equation, determining the states of substances using solubility rules, and splitting strong electrolytes into ions for the complete ionic equation. The tutorial also demonstrates how to identify and cross out spectator ions to derive the net ionic equation, ensuring charge conservation and balanced atoms.

What are the reactants in the chemical reaction discussed in the video?

• Zinc sulfate and potassium nitrate

• Zinc nitrate and potassium sulfide

• Zinc oxide and potassium chloride

• Zinc chloride and potassium sulfate

What is the first step in writing a net ionic equation?

• Split compounds into ions

• Determine the solubility of compounds

• Balance the molecular equation

• Identify spectator ions

Which of the following is generally insoluble in water?

• Potassium compounds

• Chlorides

• Sulfides

• Nitrates

What charge does the zinc ion typically have?

• 2+

• 1+

• 2-

• 3+

In the complete ionic equation, which ions are not split apart?

• Liquid reactants

• Gaseous products

• Solid precipitates

• Aqueous ions

What are spectator ions?

• Ions that participate in the reaction

• Ions that form the precipitate

• Ions that are only in the products

• Ions that do not change during the reaction

Which ions are removed to form the net ionic equation?

• All ions

• Reactant ions

• Product ions

• Spectator ions

What is the net charge of the final net ionic equation?

• 2+

• 2-

• 1+

• 0

Why is it important to ensure that the atoms are balanced in the net ionic equation?

• To change the reaction outcome

• To reduce the number of products

• To increase reaction speed

• To conserve mass

What is the final product formed in the reaction between zinc nitrate and potassium sulfide?

• Zinc sulfide

• Potassium nitrate

• Zinc oxide

• Potassium sulfide