Net Ionic Equations and Reactions

The video tutorial explains how to write a balanced net ionic equation for the reaction between perchloric acid (HClO4) and calcium hydroxide (Ca(OH)2). It covers the steps to balance the molecular equation, assign states to each substance, split strong electrolytes into ions, and identify spectator ions. The tutorial concludes with simplifying the net ionic equation by reducing coefficients.

What type of reaction occurs between perchloric acid and calcium hydroxide?

• Oxidation-reduction

• Decomposition

• Synthesis

• Neutralization

What is the first step in balancing a molecular equation?

• Identifying spectator ions

• Adjusting coefficients to balance atoms

• Writing the net ionic equation

• Assigning states to each substance

How many perchlorate ions are needed to balance the equation?

• Two

• Three

• One

• Four

What state is assigned to perchloric acid in the reaction?

• Liquid

• Aqueous

• Solid

• Gas

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

• Water

• Calcium hydroxide

• Perchloric acid

• Calcium perchlorate

What are spectator ions?

• Ions that are only in the products

• Ions that participate in the reaction

• Ions that appear unchanged on both sides of the equation

• Ions that are only in the reactants

Which ions are identified as spectator ions in this reaction?

• Perchlorate ions

• Hydroxide ions

• Calcium ions

• Hydrogen ions

What is the final step in deriving the net ionic equation?

• Writing the complete ionic equation

• Removing spectator ions

• Assigning states to substances

• Balancing the molecular equation

How can the net ionic equation be simplified?

• By adding more coefficients

• By reducing coefficients to their lowest terms

• By including spectator ions

• By changing the states of substances

What is the purpose of writing a net ionic equation?

• To show all compounds in their molecular form

• To highlight the states of substances

• To focus on the ions that participate in the reaction

• To balance the molecular equation