Question 1

Which of the following statements best describes a weak acid in aqueous solution?

Accepted Answer

It is partially ionized in aqueous solution.

Question 2

When solid sodium carbonate ($$Na_2CO_3) $$dissolves in water, which equation correctly represents the process?

Accepted Answer

$$Na_2CO_3(s) \rightarrow 2Na^+(aq) + CO_3$^{2-}(aq)$$

Question 3

In the reaction $$CaCl_2(aq) + 2$$AgNO_3(aq) \rightarrow 2AgCl(s) + Ca($$NO_3)_2(aq$$)$$, which ions are spectator ions?

Accepted Answer

NO$$_3^-$$ and Ca$$^{2+}$$

Question 4

Which of the following compounds will be least soluble in water?

Accepted Answer

FeCO$$_3$$

Question 5

When solutions of CuSO$$_4(aq) $$and Pb(NO$$_3$$)$$_2(aq) $$are mixed, what is the chemical formula for the precipitate formed?

Accepted Answer

PbSO$$_4$$

Question 6

What is the net ionic equation for the neutralization of HNO$$_3(aq) $$with KOH(aq)?

Accepted Answer

$$H^+(aq) + OH^-(aq) \rightarrow H_2O(l)$$

Question 7

A student mixes aqueous solutions of $$AgNO_3$$ and $$NaCl. $$What is the net ionic equation for the reaction?

Accepted Answer

$$Ag^+(aq) + Cl^-(aq) \rightarrow AgCl(s)$$

Question 8

Which of the following is a correct statement about spectator ions in a precipitation reaction?

Accepted Answer

They are present in the solution but do not participate in the reaction.

Question 9

Which of the following salts will produce a basic solution when dissolved in water?

Accepted Answer

Na$$_2CO$_3$$

Question 10

A solution contains $$Ba^{2+}$$ and $$SO_4$$^{2-}$$ ions. What will happen when they are mixed?

Accepted Answer

$$BaSO_4$$ will precipitate.

Question 11

Which of the following is true about strong acids?

Accepted Answer

They are 100\% ionized in water.

Question 12

Which compound is most likely to form a precipitate when mixed with $$AgNO_3$$?

Accepted Answer

NaCl

Question 13

Which of the following is the correct ionic equation for the dissolution of $$K_2SO_4 in $$water?

Accepted Answer

$$K_2SO_4(s) \rightarrow 2K^+(aq) + SO_4$^{2-}(aq)$$

Question 14

Which of the following is a correct net ionic equation for the reaction between $$HCl$$ and $$NaOH$$?

Accepted Answer

$$H^+(aq) + OH^-(aq) \rightarrow H_2O(l)$$

Question 15

Which of the following ions will NOT form a precipitate with $$Cl^- in $$aqueous solution?

Accepted Answer

Na$$^+$$

Question 16

A student adds $$Na_2CO_3 to $$water. What is the pH of the resulting solution likely to be?

Accepted Answer

Greater than 7 (basic)

Question 17

Which of the following is a correct statement about the solubility of $$BaSO_4 in $$water?

Accepted Answer

$$BaSO_4 is $$insoluble in water.

Question 18

Which of the following pairs of solutions will produce a precipitate when mixed?

Accepted Answer

$$Pb(NO_3$)_2$$ and $$Na_2SO_4$$

Question 19

Which of the following is the correct net ionic equation for the reaction between $$CaCl_2$$ and $$Na_2SO_4$$?

Accepted Answer

$$Ca^{2+}(aq$$) + $$SO_4$$^{2-}(aq) \rightarrow $$CaSO_4(s$$)$$

General Chemistry: Acids, Bases, Solubility, and Ionic Equations – Practice Test Study Notes

Study Guide - Practice Questions