6. Chemical Quantities & Aqueous Reactions
Electrolytes
Multiple Choice
Multiple ChoiceEach of the following reactions depicts a solute dissolving in water. Classify each solute as a strong electrolyte, a weak electrolyte or a non-electrolyte.
a) PbSO4 (s) → PbSO4 (aq)
b) HC2H3O2 (aq) ⇌ H+ (aq) + C2H3O2− (aq)
c) CaS (s) → Ca2+ (aq) + S2− (aq)
d) Hg (l) → Hg (aq)
A
a) non-electrolyte; b) strong electrolyte; c) strong electrolyte; d) non-electrolyte
B
a) non-electrolyte; b) weak electrolyte; c) strong electrolyte; d) non-electrolyte
C
a) non-electrolyte; b) weak electrolyte; c) weak electrolyte; d) non-electrolyte
D
a) weak electrolyte; b) strong electrolyte; c) strong electrolyte; d) non-electrolyte
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