Reactivity 3.1—Proton transfer reactions SL

What is a Brønsted–Lowry acid?

• A substance that releases hydroxide ions (OH-) in a solution.

• A substance that donates a proton (H+) in a chemical reaction.

• A substance that does not participate in chemical reactions.

• A substance that accepts a proton (H+) in a chemical reaction.

What is a Brønsted–Lowry base?

• A solution that has a high concentration of hydroxide ions.

• A catalyst that speeds up chemical reactions.

• A substance that accepts protons in a chemical reaction.

• A substance that donates protons in a chemical reaction.

In a reaction, how can you identify the Brønsted–Lowry acid?

• A Brønsted–Lowry acid accepts protons (H+) in a reaction.

• A Brønsted–Lowry acid increases the concentration of hydroxide ions (OH-) in a solution.

• A Brønsted–Lowry acid donates protons (H+) in a reaction.

• A Brønsted–Lowry acid is a substance that does not participate in proton transfer.

In a reaction, how can you identify the Brønsted–Lowry base?

• A Brønsted–Lowry base is a substance that increases the concentration of hydroxide ions.

• A Brønsted–Lowry base is a proton acceptor.

• A Brønsted–Lowry base is a proton donor.

• A Brønsted–Lowry base is a molecule that donates electrons.

What does H+(aq) represent in aqueous solution?

• Oxygen ion in aqueous solution.

• Carbon ion in aqueous solution.

• Hydroxide ion in aqueous solution.

• Hydrogen ion in aqueous solution.

What does H3O+(aq) represent in aqueous solution?

• Sodium ion in aqueous solution.

• Hydroxide ion in aqueous solution.

• Hydronium ion in aqueous solution.

• Water molecule in aqueous solution.

What is the difference between a base and an alkali?

• A base is a broader category, while an alkali specifically refers to water-soluble bases that produce hydroxide ions.

• An alkali is a type of acid that neutralizes bases.

• A base is always a liquid, while an alkali is a solid.

• All bases are alkalis, but not all alkalis are bases.

What is a conjugate acid–base pair?

• A conjugate acid-base pair is a pair of compounds that are identical in structure.

• A conjugate acid-base pair is a pair of compounds that differ by one electron.

• A conjugate acid-base pair is a pair of compounds that differ by two protons.

• A conjugate acid-base pair is a pair of compounds that differ by one proton.

How do you determine the conjugate acid of a given Brønsted–Lowry base?

• Convert the Brønsted–Lowry base into a salt.

• Add a hydroxide ion (OH-) to the Brønsted–Lowry base.

• Remove a proton (H+) from the Brønsted–Lowry base.

• Add a proton (H+) to the Brønsted–Lowry base.

How do you determine the conjugate base of a given Brønsted–Lowry acid?

• Remove a proton from the acid.

• Identify the acid's molecular weight.

• Add a proton to the acid.

• Combine the acid with a base.