Question 1

Which of the following best describes a precipitation reaction?

Accepted Answer

A reaction in which two solutions are mixed and an insoluble solid forms.

Question 2

When aqueous solutions of KI and Pb(NO$_3$)$_2$ are mixed, which compound forms as a precipitate?

Accepted Answer

$\mathrm{PbI_2}$

Question 3

According to solubility rules, which of the following ions will always produce soluble compounds in water?

Accepted Answer

$\mathrm{NO_3^-}$

Question 4

Which of the following is a correct molecular equation for the reaction between aqueous HCl and KOH?

Accepted Answer

$\mathrm{HCl(aq) + KOH(aq) \rightarrow H_2O(l) + KCl(aq)}$

Question 5

Which of the following is a spectator ion in the complete ionic equation for the reaction between HCl(aq) and KOH(aq)?

Accepted Answer

$\mathrm{K^+}$

Question 6

What is the net ionic equation for the reaction between HCl(aq) and KOH(aq)?

Accepted Answer

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

Question 7

Which of the following combinations will NOT result in a precipitation reaction?

Accepted Answer

Mixing Na$_2$SO$_4$(aq) and LiNO$_3$(aq)

Question 8

Which of the following is the correct net ionic equation for the reaction between acetic acid (HC$_2$H$_3$O$_2$) and KOH(aq)?

Accepted Answer

$\mathrm{HC_2H_3O_2(aq) + OH^-(aq) \rightarrow H_2O(l) + C_2H_3O_2^-(aq)}$

Question 9

A student mixes solutions of Na$_2$CO$_3$(aq) and NiCl$_2$(aq). Which product will precipitate, if any?

Accepted Answer

$\mathrm{NiCO_3(s)}$

Question 10

Which of the following is true about strong acids in aqueous solution?

Accepted Answer

They completely ionize in water.

Question 11

Which of the following is a correct molecular equation for the reaction between aqueous HI and Ba(OH)$_2$(aq)?

Accepted Answer

$\mathrm{2HI(aq) + Ba(OH)_2(aq) \rightarrow 2H_2O(l) + BaI_2(aq)}$

Question 12

Which of the following is the correct net ionic equation for the reaction between HCHO$_2$(aq) (formic acid, a weak acid) and NaOH(aq)?

Accepted Answer

$\mathrm{HCHO_2(aq) + OH^-(aq) \rightarrow H_2O(l) + CHO_2^-(aq)}$

Question 13

During an acid-base titration, what is the equivalence point?

Accepted Answer

The point at which the number of moles of acid equals the number of moles of base added.

Question 14

A 20.00 mL sample of H$_2$SO$_4$ solution of unknown concentration requires 22.87 mL of 0.158 M KOH to reach the equivalence point. What is the concentration of H$_2$SO$_4$? (Use $\mathrm{H_2SO_4 + 2KOH \rightarrow 2H_2O + K_2SO_4}$)

Accepted Answer

$\mathrm{0.0905\ M}$

Question 15

Which of the following is a polyprotic acid?

Accepted Answer

$\mathrm{H_2SO_4}$

Question 16

Which of the following is the correct complete ionic equation for the reaction between SrCl$_2$(aq) and Li$_2$PO$_4$(aq)?

Accepted Answer

$\mathrm{Sr^{2+}(aq) + 2Cl^-(aq) + 2Li^+(aq) + PO_4^{3-}(aq) \rightarrow Sr_3(PO_4)_2(s) + 2Li^+(aq) + 2Cl^-(aq)}$

Question 17

Which of the following is NOT a strong base?

Accepted Answer

$\mathrm{NH_3}$

Question 18

Which of the following is the correct net ionic equation for the reaction between HBr(aq) and LiOH(aq)?

Accepted Answer

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

Precipitation, Ionic Equations, and Acid-Base Chemistry

Study Guide - Practice Questions

Study Guide - Flashcards