How Well Do You Know Strong Acids?

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| By Cimm8783
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Cimm8783
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Quizzes Created: 19 | Total Attempts: 23,432
| Attempts: 175
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  • 1/10 Questions

    This strong acid is also known as aqua fortis

    • Nitric acid
    • Hydrobromic acid
    • Sulfuric acid
    • Perchloric acid
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About This Quiz

The strength of an acid refers to its ability or tendency to lose a proton (H+). A strong acid is one that completely ionizes (dissociates) in a solution (provided there is sufficient solvent). Take this quiz to see how many strong acids you can identify correctly.

How Well Do You Know Strong Acids? - Quiz

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  • 2. 
    Hydrobromic acid is formed by dissolving hydrogen bromide in __________ - ProProfs

    Hydrobromic acid is formed by dissolving hydrogen bromide in __________

    • Ethanol

    • Salt

    • Water

    • Carbon dioxide

    Correct Answer
    A. Water
    Explanation
    Hydrobromic acid is formed by dissolving hydrogen bromide in water. This is because hydrogen bromide is highly soluble in water, and when it dissolves, it forms hydrobromic acid. Ethanol, salt, and carbon dioxide do not have the same ability to dissolve hydrogen bromide and form hydrobromic acid.

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  • 3. 
    This acid's formula is H2SO4 - ProProfs

    This acid's formula is H2SO4

    • Nitric acid

    • Hydrobromic acid

    • Sulfuric acid

    • Perchloric acid

    Correct Answer
    A. Sulfuric acid
    Explanation
    The correct answer is sulfuric acid because its formula is H2SO4.

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  • 4. 

    Which of these strong acids is commonly used in battery acid?

    • Hydrochloric acid (HCl)

    • Sulfuric acid (H₂SO₄)

    • Nitric acid (HNO₃)

    • Hydroiodic acid (HI)

    Correct Answer
    A. Sulfuric acid (H₂SO₄)
    Explanation
    Sulfuric acid (H₂SO₄) is commonly used in lead-acid batteries, such as those found in cars. In these batteries, sulfuric acid acts as the electrolyte, which facilitates the flow of electrical current between the battery's plates. The sulfuric acid undergoes a series of chemical reactions that produce electrical energy. This strong acid is chosen for its ability to effectively conduct electricity and participate in the necessary chemical reactions that power the battery.

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  • 5. 

    Which of the following is considered a strong acid?

    • Acetic acid (CH₃COOH)

    • Hydrochloric acid (HCl)

    • Carbonic acid (H₂CO₃)

    • Phosphoric acid (H₃PO₄)

    Correct Answer
    A. Hydrochloric acid (HCl)
    Explanation
    Hydrochloric acid (HCl) is a strong acid because it completely dissociates in water, meaning that every molecule of HCl splits into H⁺ (hydrogen ions) and Cl⁻ (chloride ions). This complete dissociation results in a high concentration of H⁺ ions, making the solution highly acidic. Acetic acid (CH₃COOH), on the other hand, is a weak acid because it only partially dissociates in water. Carbonic acid (H₂CO₃) and phosphoric acid (H₃PO₄) are also weak acids for the same reason.

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  • 6. 
    Which of the following strong acids is the weakest? - ProProfs

    Which of the following strong acids is the weakest?

    • Carbonic acid

    • Hydrochloric acid

    • Nitric acid

    • Sulfuric acid

    Correct Answer
    A. Carbonic acid
    Explanation
    Carbonic acid is the weakest strong acid among the options given. This is because carbonic acid is a diprotic acid, meaning it can donate two protons (H+) per molecule. However, it is a relatively weak acid compared to the others listed. Hydrochloric acid, nitric acid, and sulfuric acid are all monoprotic acids, meaning they can donate only one proton per molecule. These three acids are much stronger in terms of their ability to donate protons and dissociate in water. Therefore, carbonic acid is the weakest strong acid among the options provided.

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  • 7. 
    This strong acid is naturally found in gastric acid - ProProfs

    This strong acid is naturally found in gastric acid

    • Hydrochloric acid

    • Formic acid

    • Acetic acid

    • Hydrofluoric acid

    Correct Answer
    A. Hydrochloric acid
    Explanation
    Hydrochloric acid is the correct answer because it is naturally found in gastric acid, which is the digestive fluid in the stomach. It is secreted by the cells lining the stomach to aid in the digestion of food. Hydrochloric acid is a strong acid that helps break down proteins and kill bacteria in the stomach. It has a low pH and is highly corrosive. Formic acid, acetic acid, and hydrofluoric acid are not naturally found in gastric acid and do not play a role in digestion.

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  • 8. 
    Which of the following strong acids is the strongest? - ProProfs

    Which of the following strong acids is the strongest?

    • Hydrofluoric acid

    • Perchloric acid

    • Carbonic acid

    • Phosphuric acid

    Correct Answer
    A. Perchloric acid
    Explanation
    Perchloric acid is the strongest among the given options because it is a strong acid that completely dissociates in water, releasing a high concentration of hydrogen ions. This high concentration of hydrogen ions makes perchloric acid highly reactive and capable of easily donating protons to other substances. In contrast, hydrofluoric acid, carbonic acid, and phosphoric acid are all weak acids that only partially dissociate in water, resulting in a lower concentration of hydrogen ions and weaker acidity.

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  • 9. 
    Hydrogen iodide is a colorless ________ which reacts with water and iodine. - ProProfs

    Hydrogen iodide is a colorless ________ which reacts with water and iodine.

    • Gas

    • Solid

    • Liquid

    • Option 4

    Correct Answer
    A. Gas
    Explanation
    Hydrogen iodide is a colorless gas that reacts with water and iodine.

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  • 10. 
    Perchloric acid is formed by adding ______________ perchlorate to hydrogen chloride - ProProfs

    Perchloric acid is formed by adding ______________ perchlorate to hydrogen chloride

    • Calcium

    • Sodium

    • Oxygen

    • Chlorine

    Correct Answer
    A. Sodium
    Explanation
    Perchloric acid is formed by adding sodium perchlorate to hydrogen chloride. Sodium perchlorate reacts with hydrogen chloride to produce perchloric acid. This reaction occurs because the sodium cation (Na+) from sodium perchlorate replaces the hydrogen cation (H+) in hydrogen chloride, resulting in the formation of perchloric acid.

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  • Current Version
  • Aug 05, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Mar 19, 2016
    Quiz Created by
    Cimm8783
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