Acid-base Reaction Quiz

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| By Dlindo28
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Dlindo28
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Quizzes Created: 1 | Total Attempts: 4,562
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  • 1/8 Questions

    When a proton gets donated into water, it is accepted by that water.

    • True
    • False
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About This Quiz

The Acid-Base Reaction Quiz assesses understanding of fundamental acid-base interactions in chemistry. It covers concepts like proton donation, conjugate acids and bases, and the role of water in acid-base reactions, crucial for students and professionals in chemistry.

Acid-base Reaction Quiz - Quiz

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  • 2. 

    HCl is which of the following in this reaction?HCl + Hâ‚‚O > H₃O+ + Cl

    • Bronsted Lowry Acid

    • Bronsted Lowry Base

    • Conjugate Acid

    • Conjugate Base

    Correct Answer
    A. Bronsted Lowry Acid
    Explanation
    In this reaction, HCl donates a proton (H+) to water, forming the hydronium ion (H₃O+). According to the Bronsted-Lowry acid-base theory, an acid is a substance that donates a proton. Therefore, HCl is acting as an acid in this reaction by donating a proton to water.

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  • 3. 

    Hâ‚‚O is which of the following in this reaction?HCl + Hâ‚‚O > H₃O+ + Cl

    • Bronsted Lowry Acid

    • Bronsted Lowry Base

    • Conjugate Acid

    • Conjugate Base

    Correct Answer
    A. Bronsted Lowry Base
    Explanation
    In this reaction, H₂O acts as a proton acceptor by accepting a proton from HCl to form H₃O+. According to the Bronsted-Lowry theory, a base is a substance that accepts a proton, and since H₂O is accepting a proton in this reaction, it is considered a Bronsted-Lowry base.

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  • 4. 

    Acids take in the proton (H+).

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Acids donate protons (H+) rather than taking them in. When an acid dissolves in water, it releases H+ ions, which can then react with other molecules. Therefore, the correct answer is false.

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  • 5. 

    Which of the following donates a proton?HCl + NaOH > Hâ‚‚O +  NaCl

    • HCl

    • NaOH

    • Hâ‚‚O

    • NaCl

    Correct Answer
    A. HCl
    Explanation
    HCl donates a proton in this reaction. When HCl reacts with NaOH, the HCl molecule donates a proton (H+) to the NaOH molecule. This proton transfer results in the formation of water (Hâ‚‚O) and NaCl (sodium chloride).

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  • 6. 

    Cl is which of the following in this reaction?HCl + Hâ‚‚O > H₃O+ + Cl

    • Bronsted Lowry Acid

    • Bronsted Lowry Base

    • Conjugate Acid

    • Conjugate Base

    Correct Answer
    A. Conjugate Base
    Explanation
    In this reaction, Cl is the conjugate base. This is because it is the species that remains after the HCl donates a proton to water, forming the H₃O+ ion. The Cl ion has gained an electron and has a negative charge, making it the conjugate base of the acid HCl.

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  • 7. 

    A _______ base is formed once the proton is donated.

    Correct Answer
    conjugate
    Conjugate
    Explanation
    A conjugate base is formed once the proton is donated. This is because when a proton is donated, the molecule or ion that loses the proton becomes negatively charged and is called the conjugate base. The conjugate base is formed as a result of the loss of the proton and is often the product of an acid-base reaction.

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  • 8. 

    H₃O+ is which of the following in this reaction?HCl + Hâ‚‚O > H₃O+ + Cl

    • Bronsted Lowry Acid

    • Bronsted Lowry Base

    • Conjugate Acid

    • Conjugate Base

    Correct Answer
    A. Conjugate Acid
    Explanation
    In this reaction, H₃O+ is formed by accepting a proton (H+) from HCl, making it the conjugate acid. A conjugate acid is formed when a base accepts a proton. In this case, H₂O acts as the base and accepts a proton from HCl, forming H₃O+.

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  • Current Version
  • Mar 22, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Nov 08, 2015
    Quiz Created by
    Dlindo28
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