Chemistry Quiz 13 (Ch 14)

Strong acids are

• strong electrolytes.

• weak electrolytes.

• nonelectrolytes.

• nonionized.

Strong bases are

• strong electrolytes.

• weak electrolytes.

• nonelectrolytes.

• also strong acids.

An Arrhenius acid is a chemical compound that

• does not conduct electricity.

• increases the concentration of H⁺ ions in solution.

• reacts with water to remove H⁺ ions.

• dissociates to release OH^- ions in solution.

All Brønsted-Lowry acids

• are aqueous solutions.

• can act as Arrhenius acids.

• donate protons.

• All of the above

Which of the following is a polyprotic acid?

• HCl

• H₂SO₄

• HNO₃

• HF

A Lewis acid

• is an anion.

• donates an electron pair to form a covalent bond.

• can be a substance that does not contain a hydrogen atom.

• All of the above

Which of the following will be present in an aqueous solution of H₂SO₄?

• H₃O⁺(aq)

• HSO₄^-(aq)

• SO₄^2-(aq)

• All of the above

A conjugate acid is an acid that forms when

• the acid gains a proton.

• a base loses a proton.

• a base gains a proton.

• an atom accepts an electron pair.

An amphoteric species is one that reacts at 25°C as a(n)

• acid only.

• base only.

• acid or base.

• None of the above

A conjugate base is the species that

• remains after a base has given up a proton.

• is formed by the addition of a proton.

• is formed by the addition of a proton to a base.

• remains after an acid has given up a proton.