Reactivity and Solubility in Chemistry

This video tutorial covers writing net ionic equations for various types of chemical reactions, including double replacement, acid-base, gas evolution, and single replacement reactions. It explains the solubility rules, activity series, and provides examples to illustrate the concepts. The tutorial also includes practice problems to reinforce understanding of balancing equations and identifying spectator ions.

What type of reaction is represented by the general form AB + CD → AD + CB?

• Synthesis reaction

• Decomposition reaction

• Double replacement reaction

• Single replacement reaction

In an acid-base reaction, what is typically formed when H+ ions react with OH- ions?

• Precipitate

• Water

• Gas

• Salt

Which of the following is a spectator ion in the reaction between sulfuric acid and sodium hydroxide?

• Sulfate ion

• Hydroxide ion

• Sodium ion

• Hydrogen ion

What is the product of the reaction between sodium carbonate and hydrochloric acid that causes gas evolution?

• Nitrogen

• Hydrogen

• Carbon dioxide

• Oxygen

Which of the following ions is always soluble in water?

• Carbonate

• Phosphate

• Sulfate

• Nitrate

In the activity series, which metal is more reactive than copper?

• Aluminum

• Nickel

• Silver

• Gold

Which nonmetal is the most reactive according to the activity series?

• Iodine

• Chlorine

• Fluorine

• Bromine

What is the general form of a single replacement reaction?

• A + B → AB

• AB + CD → AD + CB

• AB → A + B

• A + BC → AC + B

Which of the following compounds is generally insoluble in water?

• Ammonium sulfate

• Sodium chloride

• Potassium nitrate

• Calcium phosphate

What is the net ionic equation for the reaction between calcium nitrate and sodium phosphate?

• Na+ + NO3^- → NaNO3

• Ca2+ + PO4^3- → Ca3(PO4)2

• 3Ca2+ + 2PO4^3- → Ca3(PO4)2

• Ca2+ + 2NO3^- → Ca(NO3)2