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Questions and Answers
What is the product of the reaction 2KOH + H₂?
What is the product of the reaction 2KOH + H₂?
- 2K + 2H₂O (correct)
- K + 2H₂O
- 2K + H₂O
- K + H₂O
What is formed when KOH + Ag reacts?
What is formed when KOH + Ag reacts?
- AgOH + K (correct)
- K + AgOH
- Ag + K
- Ag + KOH
The reaction 2HF + I₂ results in a reaction.
The reaction 2HF + I₂ results in a reaction.
False (B)
What products are formed from 2HF + Cl₂?
What products are formed from 2HF + Cl₂?
What is a single-replacement reaction?
What is a single-replacement reaction?
What is the product of ZnSO₄ + H₂?
What is the product of ZnSO₄ + H₂?
What is the product of the reaction 2NaCl + Br₂?
What is the product of the reaction 2NaCl + Br₂?
What is the result of 2 KCl + I₂?
What is the result of 2 KCl + I₂?
What is produced in the reaction Cu(NO₃)₂ + 2 Ag?
What is produced in the reaction Cu(NO₃)₂ + 2 Ag?
How many reactants are in a single-replacement reaction?
How many reactants are in a single-replacement reaction?
How many products are in a single-replacement reaction?
How many products are in a single-replacement reaction?
What is the symbol for the most active metal?
What is the symbol for the most active metal?
What is the symbol for the most active nonmetal?
What is the symbol for the most active nonmetal?
What is another term for replacement?
What is another term for replacement?
What is the activity series?
What is the activity series?
What is the symbol for the least active metal?
What is the symbol for the least active metal?
The reaction FeSO₄ + Au results in a reaction.
The reaction FeSO₄ + Au results in a reaction.
What does activity refer to in chemistry?
What does activity refer to in chemistry?
What is the product of the reaction 2KBr + I₂?
What is the product of the reaction 2KBr + I₂?
Flashcards
Product of 2KOH + H₂
Product of 2KOH + H₂
2K + 2H₂O
KOH + Ag reaction
KOH + Ag reaction
AgOH + K
Single-replacement reaction
Single-replacement reaction
A more reactive element displaces a less reactive element.
Product of ZnSO₄ + H₂
Product of ZnSO₄ + H₂
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Product of 2NaCl + Br₂
Product of 2NaCl + Br₂
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Product of 2 KCl + I₂
Product of 2 KCl + I₂
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Product of Cu(NO₃)₂ + 2Ag
Product of Cu(NO₃)₂ + 2Ag
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Reactants in single-replacement
Reactants in single-replacement
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Products in single-replacement
Products in single-replacement
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Most active metal
Most active metal
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Most active nonmetal
Most active nonmetal
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Another term for replacement
Another term for replacement
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Activity series meaning
Activity series meaning
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Least active metal
Least active metal
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2KBr + I₂ reaction
2KBr + I₂ reaction
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Activity in Chemistry
Activity in Chemistry
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Study Notes
Single Replacement Reactions
- A more reactive element displaces a less reactive element within a compound during a single-replacement reaction.
Chemical Reactions
- 2KOH + H₂ converts to 2K + 2H₂O, indicating potassium displacing hydrogen from potassium hydroxide.
- KOH + Ag results in AgOH + K, demonstrating silver replacing potassium.
- 2HF + I₂ shows no reaction, indicating iodine does not replace fluorine due to lower reactivity.
- 2HF + Cl₂ produces 2HCl + F₂, showing chlorine displacing fluorine.
- ZnSO₄ + H₂ yields Zn + H₂SO₄, where hydrogen replaces zinc in sulfate.
- 2NaCl + Br₂ results in Cl₂ + 2NaBr, illustrating bromine replacing chlorine.
- 2 KCl + I₂ generates 2KI + Cl₂, with iodine replacing chlorine.
- Cu(NO₃)₂ + 2 Ag results in 2 AgNO₃ + Cu, where silver replaces copper in nitrate.
Reactants and Products
- Typically, two reactants and two products are present in single-replacement reactions.
Reactive Elements
- Li is the symbol for the most active metal, indicating its strong tendency to undergo displacement.
- F represents the most active nonmetal, highlighting its reactivity with metals.
Additional Terms
- Displacement is synonymous with replacement in reaction terminology.
- The activity series ranks elements by reactivity, aiding in predicting single-replacement reactions.
- Au symbolizes the least active metal, illustrating its low tendency to participate in such reactions.
No Reaction Situations
- In cases like FeSO₄ + Au, no reaction occurs because gold is less reactive than iron.
Activity Definition
- Activity refers to an element's tendency to combine with other substances, influencing its ability to displace less active elements.
Conclusion
- 2KBr + I₂ results in Br₂ + 2KI, showing another instance of displacement in a classic single-replacement reaction.
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Test your knowledge of single replacement reactions with these flashcards. Each card presents a chemical reaction, helping you understand how reactive elements displace less reactive ones. Perfect for chemistry students looking to reinforce their learning!
