Zinc Hydroxide Reaction Concepts

This video tutorial explains how to write a balanced net ionic equation for the reaction between hydrochloric acid (HCl) and zinc hydroxide (Zn(OH)2). It begins with balancing the molecular equation, assigning states to each substance, and then splitting strong electrolytes into ions to form the complete ionic equation. The tutorial concludes by identifying and removing spectator ions to derive the net ionic equation, ensuring charge and atom balance.

What are the reactants in the net ionic equation discussed in the video?

• Nitric acid and zinc hydroxide

• Hydrochloric acid and sodium hydroxide

• Hydrochloric acid and zinc hydroxide

• Sulfuric acid and zinc hydroxide

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

• Determine the reaction type

• Write the complete ionic equation

• Balance the molecular equation

• Identify spectator ions

How many hydrogens are on the reactant side after balancing the molecular equation?

• Five

• Four

• Two

• Three

What is the state of zinc hydroxide in the reaction?

• Solid

• Aqueous

• Liquid

• Gas

Which type of reaction is occurring between hydrochloric acid and zinc hydroxide?

• Precipitation

• Redox

• Combustion

• Neutralization

What do we call ions that appear on both sides of the complete ionic equation?

• Spectator ions

• Reactant ions

• Neutral ions

• Product ions

Which ions are removed to derive the net ionic equation?

• All ions

• Reactant ions

• Product ions

• Spectator ions

What is conserved in the net ionic equation?

• Neither mass nor charge

• Mass only

• Charge only

• Both mass and charge

What is the charge on the zinc ion in the products?

• 3+

• 2+

• 0

• 1+

What is the final product of the reaction between hydrochloric acid and zinc hydroxide?

• Zinc chloride and water

• Zinc sulfate and water

• Zinc nitrate and water

• Zinc phosphate and water