Unit 6 Quiz--Ionic and Net Ionic Equations

Multiple Choice (Choose the best answer.)

  1. Which of the following shows the correct dissolution reaciton for BaCl2?

    Ba 2+ (aq) + Cl2 - (aq) BaCl2 (s)

    Ba 2+ (aq) + 2 Cl - (aq) BaCl2 (s)

    BaCl2 (s) Ba 2+ (aq) + Cl2 - (aq)

    BaCl2 (aq) Ba 2+ (aq) + 2 Cl - (aq)

    BaCl2 (s) Ba 2+ (aq) + 2 Cl - (aq)


  2. Which of the following substances would likely dissolve in water:

    Zn(NO3)2

    AgCl

    NaOH

    More than one of the above would disolve in water.

    None of the above would dissolve in water.


  3. Which of the substances below would likely dissolve in water to form ions?

    N2

    K2SO4

    Ne

    More than one of the above would form ions.

    None of the above would form ions.


  4. Which of the answers below is an ionic representation of the reaction:

    Calcium nitrate and sodium sulfide solutions react to form solid calcium sulfide and sodium nitrate solution.

    Ca2+ (aq) + NO3 - (aq) + Na + (aq) + S 2- (aq) CaS (s) + NaNO3 (s)

    Ca2+ (aq) + NO3 - (aq) + Na + (aq) + S 2- (aq) CaS (s) + Na + (aq) + NO3 - (aq)

    Ca2+ (aq) + 2 NO3 - (aq) + Na + (aq) + S 2- (aq) CaS (s) + Na + (aq) + NO3 - (aq)

    Ca2+ (aq) + 2 NO3 - (aq) + 2 Na + (aq) + 2 S 2- (aq) CaS (s) + 2 Na + (aq) + 2 NO3 - (aq)

    Ca2+ (aq) + 2 NO3 - (aq) + 2 Na + (aq) + S 2- (aq) CaS (s) + 2 Na + (aq) + 2 NO3 - (aq)


  5. The spectator ions in problem 5 are:

    Ca2+ and NO3 -

    Na + and S 2-

    Ca2+and S 2-

    Na + and NO3 -

    Ca2+ and Na +


  6. What would happen if aqueous solutions of sodium nitrate and ammonium chloride were mixed?

    A precipitate of soidum chloride would form.

    A precipitate of ammonium chloride would form.

    Precipitates of soidum chloride and ammonium chloride would form.

    Neither sodium nitrate nor ammonium chloride would dissolve.

    Nothing would happen.


  7. What would be the ionic reaction if aqueous solutions of potassium sulfate and barium acetate were mixed?

    2 K + (aq) + SO4 2- (aq) + Ba 2+ (aq) + 2 C2H3O2 - (aq) BaSO4 (s) + 2 K+ (aq) + 2 C2H3O2- (aq)

    K2 + (aq) + SO4 2- (aq) + Ba 2+ (aq) + 2 C2H3O2 - (aq) BaSO4 (s) + K2+ (aq) + 2 C2H3O2- (aq)

    K2 +2 (aq) + SO4 2- (aq) + Ba 2+ (aq) + (C2H3O2)2 -2 (aq) BaSO4 (s) + K2+2 (aq) + (C2H3O2)-2 (aq)

    2 K + (aq) + SO4 2- (aq) + Ba 2+ (aq) + 2 C2H3O2 - (aq) 2 KC2H3O2 (s) + Ba 2+ (aq) + SO4 2- (aq)

    K2 +2 (aq) + SO4 2- (aq) + Ba 2+ (aq) + (C2H3O2)-2 (aq) 2 KC2H3O2 (s) + Ba 2+ (aq) + SO4 2- (aq)


  8. What would be the net ionic reaction in problem 7?

    K2 + (aq) + (C2H3O2)2 -2 (aq) 2 KC2H3O2 (s)

    2 K + (aq) + 2 C2H3O2 - (aq) 2 KC2H3O2 (s)

    Ba 2+ (aq) + SO4 2- (aq) BaSO4 (s)

    More than one of these are correct.

    None of these are correct.


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