Single and Double Replacement Reactions
Explore the principles of single and double replacement reactions, balancing equations, and predicting products at a Grade 12 chemistry level.
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Single and Double Replacement Reactions
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Read each question carefully and provide your answers in the spaces provided. Show all work for calculations and balance all chemical equations.
1. Which of the following is a characteristic of a single replacement reaction?
Two compounds react to form two new compounds.
An element reacts with a compound, displacing another element.
Two or more reactants combine to form a single product.
A single compound breaks down into two or more simpler substances.
2. In a double replacement reaction, what typically happens between the two reacting compounds?
Electrons are transferred completely from one atom to another.
Two elements switch places.
The cations and anions of the two reactants exchange places.
A covalent bond is broken and a new one is formed.
3. In a single replacement reaction, a more reactive element will a less reactive element from its compound.
4. A common indicator of a double replacement reaction occurring is the formation of a , a gas, or water.
5. Observe the general representation of a single replacement reaction above. Explain why some single replacement reactions might not occur.
6. Predict the products and balance the following single replacement reaction:
Mg(s) + CuSO₄(aq) →
7. Predict the products and balance the following double replacement reaction:
AgNO₃(aq) + NaCl(aq) →
8. All single replacement reactions involve a metal replacing a hydrogen atom from an acid.
True
False
9. A precipitate is always formed in a double replacement reaction.
True
False
Use the words below to complete the sentences.
10. To predict if a single replacement reaction will occur, one must consult the .
11. Double replacement reactions often result in the formation of an insoluble solid called a .