Acid-Base Reactions and Ionic Equations

The video tutorial explains how to write the net ionic equation for the reaction between calcium hydroxide and sulfuric acid. It begins with an overview of the neutralization reaction, followed by balancing the molecular equation. The video then discusses the states of the substances involved, using a solubility table to determine solubility. It proceeds to write the complete ionic equation, detailing the charges of ions, and concludes with the net ionic equation, highlighting the absence of spectator ions due to the formation of a solid precipitate.

What type of reaction occurs when calcium hydroxide reacts with sulfuric acid?

• Decomposition

• Synthesis

• Combustion

• Neutralization

What is the balanced molecular equation for the reaction between calcium hydroxide and sulfuric acid?

• Ca(OH)2 + H2SO4 → CaSO4 + H2O

• Ca(OH)2 + H2SO4 → CaSO4 + H2

• Ca(OH)2 + H2SO4 → CaSO4 + 2H2O

• Ca(OH)2 + 2H2SO4 → CaSO4 + H2O

What is the state of calcium sulfate in the reaction?

• Solid

• Liquid

• Gas

• Aqueous

Which ion is not split in the complete ionic equation due to its state?

• Calcium sulfate

• Sulfate ion

• Hydroxide ion

• Calcium ion

What is the charge of the sulfate ion in the reaction?

• 2-

• 1+

• 1-

• 2+

Which of the following is a spectator ion in the reaction?

• Hydrogen ion

• Sulfate ion

• Hydroxide ion

• Calcium ion

What is the net ionic equation for the reaction?

• 2OH- + 2H+ → 2H2O

• Ca2+ + 2OH- → Ca(OH)2

• Ca2+ + SO4 2- → CaSO4

• Ca2+ + 2OH- + 2H+ + SO4 2- → CaSO4 + 2H2O

Why is calcium sulfate considered a solid in this reaction?

• It dissolves completely in the solution.

• It is highly soluble in water.

• It is slightly soluble and forms a precipitate.

• It reacts with water to form a gas.

What is the role of water in the net ionic equation?

• It is a product.

• It is a reactant.

• It is a catalyst.

• It is a spectator ion.

Which ion is responsible for the acidic nature of sulfuric acid in the reaction?

• Calcium ion

• Sulfate ion

• Hydroxide ion

• Hydrogen ion