Net Ionic Equations and Spectator Ions

The video tutorial explains how to balance the net ionic equation for hypochlorous acid and calcium hydroxide. It begins with balancing the molecular equation, treating the hypochlorite ion as a single entity. The tutorial then assigns states to each substance, noting that hypochlorous acid is a weak acid and calcium hydroxide is a strong base. The complete ionic equation is formed by splitting strong electrolytes into ions, while weak acids and liquids remain intact. Spectator ions are removed to derive the net ionic equation, ensuring charge and atom balance. The tutorial concludes with a review of the balanced net ionic equation.

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

• Write the complete ionic equation

• Determine the states of substances

• Balance the molecular equation

• Identify the spectator ions

How should the hypochlorite ion be treated when balancing the molecular equation?

• As a product only

• As a spectator ion

• As a single entity

• As a separate entity

Which of the following is considered a strong base?

• Water

• Calcium hypochlorite

• Calcium hydroxide

• Hypochlorous acid

What is the state of calcium hypochlorite in the reaction?

• Liquid

• Solid

• Gas

• Aqueous

Why is hypochlorous acid not split into ions in the complete ionic equation?

• It is a weak acid

• It is a liquid

• It is a strong acid

• It is a strong base

Which substance is not split into ions in the complete ionic equation?

• Calcium hypochlorite

• Water

• Hypochlorous acid

• Calcium hydroxide

What is the purpose of removing spectator ions in the net ionic equation?

• To identify the products

• To balance the charges

• To balance the atoms

• To simplify the equation

What is the charge on the reactant side of the net ionic equation?

• Positive two

• Neutral

• Negative one

• Positive one

What happens to the coefficients in the net ionic equation?

• They are doubled

• They are eliminated

• They are reduced to one

• They remain unchanged

What ensures the net ionic equation is balanced?

• Equal number of electrons

• Equal number of molecules

• Equal number of ions

• Equal number of atoms