C3.3.2 Neutralization

• What is a neutralization reaction?

  Acid reacts with base
• What are the products of the reaction between hydrochloric acid (HCl) and sodium hydroxide (NaOH)?

  Sodium chloride and water
• In a neutralization reaction, the acid provides hydrogen ions (H⁺) and the base provides hydroxide ions (OH⁻).


  True
• In the reaction between HCl and NaOH, the base is NaOH
• In the reaction between HCl and NaOH, the salt formed is NaCl
• What are spectator ions in the reaction between HCl and NaOH?

  Na⁺ and Cl⁻
• What two products are formed in a neutralization reaction?

  Salt and water
• A neutralization reaction involves the combination of hydrogen ions (H⁺) and hydroxide ions (OH⁻) to form water (H₂O).


  True
• Match the reactants with their roles in a neutralization reaction:

  Acid ↔️ Provides hydrogen ions (H⁺)

  Base ↔️ Provides hydroxide ions (OH⁻)
• Arrange the steps in writing the ionic equation for neutralization:

  1️⃣ Identify the reacting ions

  2️⃣ Omit spectator ions

  3️⃣ Write the simplified equation
• Spectator ions are included in the ionic equation for neutralization.

  False
• What two products are formed in the saponification process?

  Soap and glycerol
• In a neutralization reaction, hydrogen ions (H⁺) combine with hydroxide ions (OH⁻) to form water
• In the reaction between HCl and NaOH, the acid is HCl
• What are the acid and base in the reaction that produces sodium chloride (NaCl) and water?

  Hydrochloric acid and sodium hydroxide
• A neutralization reaction always results in the formation of a salt and water.

  True
• What is the role of hydrogen ions (H⁺) and hydroxide ions (OH⁻) in a neutralization reaction?

  Form water
• The ionic equation for neutralization is H⁺(aq) + OH⁻(aq) → H₂O(l).


  True
• Arrange the following steps to describe the process of writing an ionic equation for neutralization.

  1️⃣ Identify the reacting ions

  2️⃣ Write the molecular equation

  3️⃣ Remove spectator ions

  4️⃣ Write the ionic equation
• The reaction between hydrochloric acid (HCl) and sodium hydroxide (NaOH) produces sodium chloride (NaCl) and water
• What is the salt produced in the reaction between hydrochloric acid (HCl) and sodium hydroxide (NaOH)?

  Sodium chloride (NaCl)
• The salt formed in a neutralization reaction consists of the remaining ions
• What is the general form of the ionic equation for neutralization?

  H⁺(aq) + OH⁻(aq) → H₂O(l)
• Match the applications of neutralization with their descriptions:

  Antacids for Stomach Relief ↔️ Neutralizes excess stomach acid

  Soil Treatment in Agriculture ↔️ Reduces soil acidity

  Wastewater Treatment ↔️ Adjusts the pH of wastewater

  Soap Making ↔️ Neutralizes fatty acids
• Lime (calcium carbonate) is used to treat acidic soil in agriculture.


  True