chapter4part2

1) Which one of the following compounds is insoluble in water?

• A) K₂SO₄

• B) Ca(C₂H₃O₂)₂

• C) MgC₂O₄

• D) ZnCl₂

• E) Mn(NO₃)₂

2) Which combination will produce a precipitate?

• A) NaC₂H₃O₂ (aq) and HCl (aq)

• B) NaOH (aq) and HCl (aq)

• C) AgNO₃ (aq) and Ca(C₂H₃O₂)₂ (aq)

• D) KOH (aq) and Mg(NO₃)₂ (aq)

• E) NaOH (aq) and HCl (aq)

3) Which combination will produce a precipitate?

• A) NH₄OH (aq) and HCl (aq)

• B) AgNO₃ (aq) and Ca(C₂H₃O₂)₂ (aq)

• C) NaOH (aq) and HCl (aq)

• D) NaCl (aq) and HC₂H₃O₂ (aq)

• E) NaOH (aq) and Fe(NO₃)₂ (aq)

4) Which combination will produce a precipitate?

• A) Pb(NO₃)₂ (aq) and HCl (aq)

• B) Cu(NO₃)₂ (aq) and KC₂H₃O₂ (aq)

• C) KOH (aq) and HNO₃ (aq)

• D) AgC₂H₃O₂ (aq) and HC₂H₃O₂ (aq)

• E) NaOH (aq) and Sr(NO₃)₂ (aq)

5) With which of the following will the ammonium ion form an insoluble salt?

• A) chloride

• B) sulfate

• C) carbonate

• D) sulfate and carbonate

• E) none of the above

6) With which of the following will the potassium ion form an insoluble salt?

• A) chloride

• B) sulfate

• C) carbonate

• D) sulfate and carbonate

• E) none of the above

7) The net ionic equation for the reaction between aqueous sulfuric acid and aqueous sodium hydroxide is __________.

• A) H+ (aq) + HSO₄- (aq) + 2OH- (aq) → 2 H₂O (l) + SO₄2- (aq)

• B) H+ (aq) + HSO₄- (aq) + 2 Na+ (aq) + 2OH- (aq) → 2 H₂O (l) + 2Na+ (aq) + SO₄2- (aq)

• C) SO₄2- (aq) + 2Na+ (aq) → 2Na+ (aq) + SO₄2- (aq)

• D) H+ (aq) + OH- (aq) → H₂O( l)

• E) 2H+ (aq) + SO₄2- (aq) + 2Na+ (aq) + 2OH- (aq) → 2 H₂O (l) + 2Na+ (aq) + SO₄2- (aq)

8) The net ionic equation for the reaction between aqueous nitric acid and aqueous sodium hydroxide is __________.

• A) H+ (aq) + HNO₃ (aq) + 2OH- (aq) → 2 H₂O (l) + NO₃- (aq)

• B) HNO₃ (aq) + NaOH (aq) → NaNO₃ (aq) + H₂O (l)

• C) H+ (aq) + OH- (aq) → H₂O (l)

• D) HNO₃ (aq) + OH- (aq) → NO₃- (aq) + H₂O (l)

• E) H+ (aq) + Na+ (aq) +OH- (aq) → H₂O (l) + Na+ (aq)

9) The reaction between strontium hydroxide and chloric acid produces __________.

• A) a molecular compound and a weak electrolyte

• B) two weak electrolytes

• C) two strong electrolytes

• D) a molecular compound and a strong electrolyte

• E) two molecular compounds

10) Which one of the following is a diprotic acid?

• A) nitric acid

• B) chloric acid

• C) phosphoric acid

• D) hydrofluoric acid

• E) sulfuric acid