Acid Base Reactions Lesson Plans & Worksheets Reviewed by Teachers - Free Printable

To solve the problem, we need to identify which of the given reactions are acid-base reactions. An acid-base reaction is characterized by the transfer of a proton (H⁺) from an acid to a base. Let's analyze each reaction step by step:

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Reactions and Analysis:

#### 1. HCl + LiOH
- Acid: HCl (hydrochloric acid)
- Base: LiOH (lithium hydroxide)
- Products: LiCl (salt) + H₂O (water)
- Explanation: This is a classic acid-base neutralization reaction where HCl donates a proton (H⁺) to OH⁻ from LiOH, forming water and a salt.
- Conclusion: Acid-Base Reaction

#### 2. SO₃ + H₂O
- SO₃: Sulfur trioxide
- H₂O: Water
- Products: H₂SO₄ (sulfuric acid)
- Explanation: This is not an acid-base reaction. Instead, it is an acid formation reaction where SO₃ reacts with water to form sulfuric acid.
- Conclusion: Not an Acid-Base Reaction

#### 3. CH₃COOH + NH₃ → NH₄⁺ + CH₃COO⁻
- Acid: CH₃COOH (acetic acid)
- Base: NH₃ (ammonia)
- Products: NH₄⁺ (ammonium ion) + CH₃COO⁻ (acetate ion)
- Explanation: Acetic acid donates a proton (H⁺) to ammonia, forming ammonium ions and acetate ions. This is a typical acid-base reaction.
- Conclusion: Acid-Base Reaction

#### 4. CH₃COOH + CH₃CH₂NH₂ → CH₃COO⁻ + CH₃CH₂NH₃⁺
- Acid: CH₃COOH (acetic acid)
- Base: CH₃CH₂NH₂ (ethylamine)
- Products: CH₃COO⁻ (acetate ion) + CH₃CH₂NH₃⁺ (ethylammonium ion)
- Explanation: Acetic acid donates a proton (H⁺) to ethylamine, forming acetate ions and ethylammonium ions. This is a typical acid-base reaction.
- Conclusion: Acid-Base Reaction

#### 5. HNO₃ + KOH
- Acid: HNO₃ (nitric acid)
- Base: KOH (potassium hydroxide)
- Products: KNO₃ (salt) + H₂O (water)
- Explanation: This is a classic acid-base neutralization reaction where HNO₃ donates a proton (H⁺) to OH⁻ from KOH, forming water and a salt.
- Conclusion: Acid-Base Reaction

#### 6. HNO₃ + NaOH
- Acid: HNO₃ (nitric acid)
- Base: NaOH (sodium hydroxide)
- Products: NaNO₃ (salt) + H₂O (water)
- Explanation: This is a classic acid-base neutralization reaction where HNO₃ donates a proton (H⁺) to OH⁻ from NaOH, forming water and a salt.
- Conclusion: Acid-Base Reaction

#### 7. HNO₃ + NH₃
- Acid: HNO₃ (nitric acid)
- Base: NH₃ (ammonia)
- Products: NH₄⁺ (ammonium ion) + NO₃⁻ (nitrate ion)
- Explanation: Nitric acid donates a proton (H⁺) to ammonia, forming ammonium ions and nitrate ions. This is a typical acid-base reaction.
- Conclusion: Acid-Base Reaction

#### 8. HNO₃ + Mg(OH)₂
- Acid: HNO₃ (nitric acid)
- Base: Mg(OH)₂ (magnesium hydroxide)
- Products: Mg(NO₃)₂ (salt) + H₂O (water)
- Explanation: This is a classic acid-base neutralization reaction where HNO₃ donates protons (H⁺) to OH⁻ from Mg(OH)₂, forming water and a salt.
- Conclusion: Acid-Base Reaction

#### 9. HNO₃ + Al(OH)₃
- Acid: HNO₃ (nitric acid)
- Base: Al(OH)₃ (aluminum hydroxide)
- Products: Al(NO₃)₃ (salt) + H₂O (water)
- Explanation: This is a classic acid-base neutralization reaction where HNO₃ donates protons (H⁺) to OH⁻ from Al(OH)₃, forming water and a salt.
- Conclusion: Acid-Base Reaction

#### 10. HNO₃ + Ca(OH)₂
- Acid: HNO₃ (nitric acid)
- Base: Ca(OH)₂ (calcium hydroxide)
- Products: Ca(NO₃)₂ (salt) + H₂O (water)
- Explanation: This is a classic acid-base neutralization reaction where HNO₃ donates protons (H⁺) to OH⁻ from Ca(OH)₂, forming water and a salt.
- Conclusion: Acid-Base Reaction

#### 11. HNO₃ + Ba(OH)₂
- Acid: HNO₃ (nitric acid)
- Base: Ba(OH)₂ (barium hydroxide)
- Products: Ba(NO₃)₂ (salt) + H₂O (water)
- Explanation: This is a classic acid-base neutralization reaction where HNO₃ donates protons (H⁺) to OH⁻ from Ba(OH)₂, forming water and a salt.
- Conclusion: Acid-Base Reaction

#### 12. HNO₃ + Sr(OH)₂
- Acid: HNO₃ (nitric acid)
- Base: Sr(OH)₂ (strontium hydroxide)
- Products: Sr(NO₃)₂ (salt) + H₂O (water)
- Explanation: This is a classic acid-base neutralization reaction where HNO₃ donates protons (H⁺) to OH⁻ from Sr(OH)₂, forming water and a salt.
- Conclusion: Acid-Base Reaction

#### 13. HNO₃ + Zn(OH)₂
- Acid: HNO₃ (nitric acid)
- Base: Zn(OH)₂ (zinc hydroxide)
- Products: Zn(NO₃)₂ (salt) + H₂O (water)
- Explanation: This is a classic acid-base neutralization reaction where HNO₃ donates protons (H⁺) to OH⁻ from Zn(OH)₂, forming water and a salt.
- Conclusion: Acid-Base Reaction

#### 14. HNO₃ + Cu(OH)₂
- Acid: HNO₃ (nitric acid)
- Base: Cu(OH)₂ (copper(II) hydroxide)
- Products: Cu(NO₃)₂ (salt) + H₂O (water)
- Explanation: This is a classic acid-base neutralization reaction where HNO₃ donates protons (H⁺) to OH⁻ from Cu(OH)₂, forming water and a salt.
- Conclusion: Acid-Base Reaction

#### 15. HNO₃ + AgOH
- Acid: HNO₃ (nitric acid)
- Base: AgOH (silver hydroxide)
- Products: AgNO₃ (salt) + H₂O (water)
- Explanation: This is a classic acid-base neutralization reaction where HNO₃ donates a proton (H⁺) to OH⁻ from AgOH, forming water and a salt.
- Conclusion: Acid-Base Reaction

#### 16. HNO₃ + Pb(OH)₂
- Acid: HNO₃ (nitric acid)
- Base: Pb(OH)₂ (lead(II) hydroxide)
- Products: Pb(NO₃)₂ (salt) + H₂O (water)
- Explanation: This is a classic acid-base neutralization reaction where HNO₃ donates protons (H⁺) to OH⁻ from Pb(OH)₂, forming water and a salt.
- Conclusion: Acid-Base Reaction

#### 17. HNO₃ + Al
- Acid: HNO₃ (nitric acid)
- Base: Al (aluminum metal)
- Products: Al(NO₃)₃ (salt) + H₂ (hydrogen gas)
- Explanation: This is not a typical acid-base reaction. It is a redox reaction where aluminum metal reacts with nitric acid to produce aluminum nitrate and hydrogen gas.
- Conclusion: Not an Acid-Base Reaction

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Final Answer:

The reactions that are acid-base reactions are:
1, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16

$$
\boxed{1, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16}
$$