Acids and Bases

What is an Arrhenius acid?

• a chemical compound that decreases the concentration of hydroxide ions in aqueous solution

• a chemical compound that increases the concentration of hydrogen

  ions in aqueous solution

• a chemical compound that increases the concentration of

  hydroxide ions in aqueous solution

• a chemical compound that decreases the concentration of hydrogen ions in aqueous solution

What is an Arrhenius base?

• a chemical compound that increases the concentration of hydrogen ions in aqueous solution

• a chemical compound that increases the concentration of hydroxide ions in aqueous solution

• a chemical compound that decreases the concentration of hydrogen ions in aqueous solution

• a chemical compound that decreases the concentration of hydroxide ions in aqueous solution

A Brønsted-Lowry acid is _?_

• an electron-pair acceptor.

• an electron-pair donor.

• a proton acceptor.

• a proton donor.

A Brønsted-Lowry base is a(n) _?_

• producer of OH^– ions.

• proton acceptor.

• electron-pair donor.

• electron-pair acceptor.

Pure water contains _?_

• water molecules only.

• hydronium ions only.

• hydroxide ions only.

• water molecules, hydronium ions, and hydroxide ions.

Pure water partially breaks down into charged particles in a process called _?_

• hydration

• hydrolysis

• self-ionization

• dissociation

What is the concentration of OH^– in pure water?

• 10^–7 M

• 0.7 M

• 55.4 M

• 10⁷ M

What is the product of H₃O⁺ and OH^– concentrations in water?

• 10^–28

• 10^–7

• 55.4

• 10^–14

Which expression represents the concentration of H₃O⁺ in solution?

• 10^–14 – [OH^–]

• 10^–14 x [OH^–]

• 10^–14 / [OH^–]

• [OH^–] / 10^–14

Which expression represents the concentration of OH^– in solution?

• 10^–14 – [H₃O⁺]

• 10^–14 / [H₃O⁺]

• 10^–14 x [H₃O⁺]

• [OH^–] / 10^–14