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Questions and Answers
Which theory defines an acid as a substance that liberates hydrogen ions and a base as a substance that supplies hydroxyl ions on dissociation in aqueous media?
Which theory defines an acid as a substance that liberates hydrogen ions and a base as a substance that supplies hydroxyl ions on dissociation in aqueous media?
- Arrhenius theory (correct)
- Bronsted-Lowry theory
- Lewis Electronic Theory
- None of the above
According to the Bronsted-Lowry theory, what is an acid?
According to the Bronsted-Lowry theory, what is an acid?
- A substance that accepts a proton
- A substance that liberates hydrogen ions
- A substance that donates a proton (correct)
- A substance that supplies hydroxyl ions
In which solvent is HCI considered a weak acid?
In which solvent is HCI considered a weak acid?
- Liquid ammonia
- Glacial acetic acid (correct)
- Water
- Methanol
Which theory defines an acid as a molecule or an ion that accepts an electron pair to form a covalent bond?
Which theory defines an acid as a molecule or an ion that accepts an electron pair to form a covalent bond?
Which of the following is classified as a Lewis base according to the Lewis definition?
Which of the following is classified as a Lewis base according to the Lewis definition?
What type of bond is formed when a Lewis acid accepts an electron pair from a Lewis base?
What type of bond is formed when a Lewis acid accepts an electron pair from a Lewis base?
Which of the following can be classified as a Lewis base?
Which of the following can be classified as a Lewis base?
What is the role of an acid according to the Arrhenius theory?
What is the role of an acid according to the Arrhenius theory?
Which type of solvent is capable of accepting protons from the solute?
Which type of solvent is capable of accepting protons from the solute?
Which type of solvent is a proton-donating compound?
Which type of solvent is a proton-donating compound?
Which class of solvents act as both proton acceptors and proton donors?
Which class of solvents act as both proton acceptors and proton donors?
Which type of solvents neither accept nor donate protons?
Which type of solvents neither accept nor donate protons?
What is the pH value representing the neutral point?
What is the pH value representing the neutral point?
What is the term for the autoprotolysis constant or ion product of water?
What is the term for the autoprotolysis constant or ion product of water?
What is the pH at which zwitterion concentration is at its maximum?
What is the pH at which zwitterion concentration is at its maximum?
What is the net charge of a molecule at its Isoelectric point (IEP)?
What is the net charge of a molecule at its Isoelectric point (IEP)?
What is the charge of a molecule at pH above its Isoelectric point (IEP)?
What is the charge of a molecule at pH above its Isoelectric point (IEP)?
What is the charge of a molecule at pH below its Isoelectric point (IEP)?
What is the charge of a molecule at pH below its Isoelectric point (IEP)?
In the measurement of pH, what happens with a strong acid concentration?
In the measurement of pH, what happens with a strong acid concentration?
In solutions containing a single conjugate acid-base pair, what example illustrates the measurement of pH?
In solutions containing a single conjugate acid-base pair, what example illustrates the measurement of pH?
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