Podcast
Questions and Answers
What is produced when an acid reacts with a metal?
What is produced when an acid reacts with a metal?
- Salt and Hydrogen Gas (correct)
- Water and Heat
- Salt and Carbon Dioxide
- Oxygen Gas and Salt
Which of the following metals does NOT typically displace hydrogen from an acid?
Which of the following metals does NOT typically displace hydrogen from an acid?
- Magnesium
- Zinc
- Copper (correct)
- Iron
What is the chemical equation for the reaction of hydrochloric acid and zinc?
What is the chemical equation for the reaction of hydrochloric acid and zinc?
- 2HCl + Zn → ZnCl2 + H2 (correct)
- 2HCl + Zn2 → ZnCl2 + 2H2
- HCl + Zn → ZnH2 + Cl2
- Zn + HCl → ZnCl2 + H2
Under what conditions can bases react with metals?
Under what conditions can bases react with metals?
What is a significant importance of the reactions between acids, bases, and metals?
What is a significant importance of the reactions between acids, bases, and metals?
Flashcards
Acid-Metal Reaction
Acid-Metal Reaction
When an acid reacts with a metal, the metal replaces the hydrogen atoms in the acid, forming a salt and hydrogen gas.
Acid + Metal → Salt + Hydrogen Gas
Acid + Metal → Salt + Hydrogen Gas
The general chemical equation for a metal reacting with an acid.
2HCl (aq) + Zn (s) → ZnCl2 (aq) + H2 (g)
2HCl (aq) + Zn (s) → ZnCl2 (aq) + H2 (g)
The reaction of hydrochloric acid with zinc produces zinc chloride and hydrogen gas.
Base-Metal Reactions
Base-Metal Reactions
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Importance of Reactions
Importance of Reactions
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Study Notes
Acids and Metals
- When an acid reacts with a metal, such as zinc, magnesium, or iron, the metal displaces hydrogen from the acid.
- The general chemical equation for the reaction between an acid and a metal is: Acid + Metal → Salt + Hydrogen Gas
- For example, when hydrochloric acid reacts with zinc, the following reaction occurs: 2HCl (aq) + Zn (s) → ZnCl2 (aq) + H2 (g)
- In this reaction, zinc displaces hydrogen from hydrochloric acid, forming zinc chloride and hydrogen gas.
Bases and Metals
- Bases do not typically react with metals in the same way as acids.
- They might react with certain metals under specific conditions.
- For example, a concentrated solution of sodium hydroxide can react with zinc to produce hydrogen gas and a soluble salt.
- This reaction can be represented by the equation: 2NaOH(aq) + Zn(s) → Na2ZnO2(aq) + H2(g)
Importance of Reactions
- The reactions of acids and bases with metals demonstrate their ability to participate in chemical reactions.
- These reactions are crucial for understanding the behavior of acids, bases, and metals in different environments.
- These reactions have significance in various industrial and laboratory processes.
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