Net Ionic Equations and Reactions

The video tutorial explains how to write a balanced net ionic equation for the reaction between strontium nitrate and potassium iodate. It begins with balancing the molecular equation, determining the states of substances, and splitting strong electrolytes into ions to form the complete ionic equation. Spectator ions are identified and removed to derive the net ionic equation. The tutorial concludes by ensuring charge balance and identifying the precipitate formed in the reaction.

What is the first step in writing a balanced net ionic equation?

• Determine solubility

• Balance the molecular equation

• Identify spectator ions

• Write the complete ionic equation

How do you balance the number of nitrate ions in the molecular equation?

• Add a coefficient of 2

• Add a coefficient of 1

• Add a coefficient of 4

• Add a coefficient of 3

Which of the following is typically slightly soluble?

• Strontium iodate

• Potassium iodate

• Potassium nitrate

• Strontium nitrate

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

• Spectator ions

• Balanced ions

• Net ions

• Neutral ions

What is the purpose of removing spectator ions from the complete ionic equation?

• To identify reactants

• To simplify the net ionic equation

• To balance the equation

• To determine solubility

What is the net charge of the products in the net ionic equation?

• Positive

• Depends on the reactants

• Negative

• Zero

What happens to strontium iodate in the reaction?

• It dissolves completely

• It forms a precipitate

• It remains unchanged

• It reacts with potassium

Why is it important to count the atoms in the net ionic equation?

• To identify spectator ions

• To determine solubility

• To find the net charge

• To ensure the equation is balanced

What type of reaction is demonstrated in the video?

• Double displacement reaction

• Single displacement reaction

• Decomposition reaction

• Synthesis reaction

What is the role of Dr. B in the video?

• To demonstrate a chemical experiment

• To explain the net ionic equation

• To balance chemical equations

• To discuss solubility rules