Ionic Equations and Acids

The video tutorial explains how to write the net ionic equation for the reaction between calcium hydroxide (Ca(OH)2) and acetic acid (CH3COOH). It covers balancing the molecular equation, assigning states to compounds, and understanding the dissociation of strong and weak electrolytes. The tutorial then demonstrates forming the complete ionic equation by splitting strong electrolytes into ions and identifying spectator ions to derive the net ionic equation. Finally, it simplifies the equation by reducing coefficients.

What is the chemical formula for calcium hydroxide?

• Ca(OH)2

• CaOH

• CaH2O2

• Ca2OH

Which of the following is a correct representation of acetic acid?

• H2CO3

• HCl

• C2H5OH

• CH3COOH

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

• Balance the molecular equation

• Determine the states of compounds

• Write the complete ionic equation

• Identify spectator ions

Which compound is a strong electrolyte?

• Calcium acetate

• Water

• Calcium hydroxide

• Acetic acid

Why does acetic acid not dissociate completely in water?

• It is a strong acid

• It is a weak acid

• It is a strong base

• It is a weak base

What is the charge on the calcium ion in the complete ionic equation?

• 2+

• 3+

• 0

• 1+

Which ion is not split into its charges in the complete ionic equation?

• Acetic acid

• Calcium ion

• Acetate ion

• Hydroxide ion

What is the purpose of identifying spectator ions?

• To balance the equation

• To simplify the net ionic equation

• To find the limiting reactant

• To determine the states of compounds

Which ions are considered spectator ions in this reaction?

• Water molecules

• Acetate ions

• Hydroxide ions

• Calcium ions

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

• Determining the states of compounds

• Removing spectator ions

• Writing the complete ionic equation

• Balancing the equation