Double Replacement Reactions
Explore the principles and characteristics of double replacement reactions, including precipitation, acid-base, and gas-forming reactions, with this comprehensive worksheet for Grade 12 Chemistry.
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Double Replacement Reactions
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Read each question carefully and provide your best answer. Show all work for calculations.
1. Which of the following is NOT a characteristic of a double replacement reaction?
Formation of a precipitate
Formation of water
Formation of a gas
Formation of a new element
2. When aqueous solutions of lead(II) nitrate and potassium iodide are mixed, a yellow precipitate forms. What is the chemical formula of the precipitate?
Pb(NO₃)₂
KI
PbI₂
KNO₃
3. In a double replacement reaction, two compounds react to form two new compounds.
4. A precipitate is an solid formed from a reaction in a solution.
5. An acid-base reaction is a type of double replacement reaction that produces a and water.
6. All double replacement reactions result in the formation of a precipitate.
True
False
7. The net ionic equation for a reaction only includes the ions that participate in the formation of the precipitate, gas, or water.
True
False
8. Write the balanced molecular equation, complete ionic equation, and net ionic equation for the reaction between aqueous solutions of sodium sulfide and copper(II) chloride.
9. Explain how you can predict whether a precipitate will form in a double replacement reaction.
Match the type of double replacement reaction with its definition.
10. Precipitation Reaction
a. Produces an insoluble solid
11. Acid-Base Reaction
b. Produces water and a salt
12. Gas-Forming Reaction
c. Produces a gaseous product