Unit 11: Acids and Bases

5 Written Questions

1. acids that contain three ionizable hydrogens
2. the particle that remains when an acid has donated a hydrogen ion
3. an acid that is only slightly ionized in aqueous solution
4. having characteristics of both an acid and a base and capable of reacting as either
5. A base that does not dissociate completely into ions in solution.

5 Matching Questions

1. monoprotic
2. basic solution
3. strong acid
4. neutral solution
5. hydronium ion

1. a a solution whose pH is greater than 7
2. b an aqueous solution in which the concentrations of H+ and OH- ions are equal; pH = 7
3. c hydrogen ion combines with a water molecule to form a hydronium ion, H3O(+)
4. d an acid that ionizes completely in aqueous solution
5. e An acid that can only donate one hydrogen ion.

5 Multiple Choice Questions

1. Electron pair donor
   1. strong base
   2. Lewis acid
   3. Lewis base
   4. weak base
2. the particle formed when a base gains a hydrogen ion
   1. weak acid
   2. conjugate base
   3. conjugate acid
   4. strong acid
3. any substance that can accept a pair of electrons to form a covalent bond
   1. weak acid
   2. Lewis acid
   3. Lewis base
   4. Acid
4. negatively charged ion made of oxygen and hydrogen (OH-)
   1. hydronium ion
   2. diprotic
   3. amphoteric
   4. hydroxide ion
5. basic solutions
   1. neutral solution
   2. alkaline solutions
   3. acidic solution
   4. basic solution

5 True/False Questions

1. Base → any substance that forms hydroxide ions in water and has a pH above 7

   True        False

2. diprotic → Acids that contain two ionizable hydrogen atoms per molecule.

   True        False

3. Acid → any substance that forms hydrogen ions in water and has a pH below 7

   True        False

4. pH → any substance that forms hydrogen ions in water and has a pH below 7

   True        False

5. strong base → A base that dissociates completely into ions in solution.

   True        False