Question 1

Which of the following statements best describes a strong electrolyte in aqueous solution?

Accepted Answer

It completely dissociates into ions and conducts electricity strongly.

Question 2

Which compound will form a precipitate when mixed with a solution of Na2SO4(aq)?

Accepted Answer

BaCl2(aq)

Question 3

What is the net ionic equation for the reaction between aqueous solutions of Pb(NO3)2 and KI?

Accepted Answer

$$\mathrm{Pb$$^{2+}$$(aq) + 2I^-(aq) \rightarrow $$PbI_2$$(s)}$$

Question 4

Which of the following is a nonelectrolyte when dissolved in water?

Accepted Answer

C6H12O6

Question 5

A solution is prepared by dissolving 0.5 mol of NaCl in enough water to make 1.0 L of solution. What is the molarity of the solution?

Accepted Answer

$$0.5\ \mathrm{M}$$

Question 6

Which of the following acids is classified as a strong acid?

Accepted Answer

HNO3

Question 7

What is the oxidation number of sulfur in $$\mathrm{SO_4$^{2-}}$$?

Accepted Answer

$$+6$$

Question 8

Which of the following metals will react with hydrochloric acid to produce hydrogen gas, according to the activity series?

Accepted Answer

Zinc

Question 9

A student dilutes 50.0 mL of a 2.00 M HCl solution to a final volume of 200.0 mL. What is the final concentration?

Accepted Answer

$$0.50\ \mathrm{M}$$

Question 10

Which of the following best describes a neutralization reaction between a strong acid and a strong base?

Accepted Answer

It produces water and a salt.

Question 11

Which of the following compounds is insoluble in water according to the solubility rules?

Accepted Answer

BaSO4

Question 12

What is the net ionic equation for the reaction of NaOH(aq) with HCl(aq)?

Accepted Answer

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

Question 13

Which of the following is the correct balanced molecular equation for the reaction of calcium carbonate with hydrochloric acid?

Accepted Answer

$$\mathrm{$$CaCO_3$$(s) + 2HCl(aq) \rightarrow $$CaCl_2$$(aq) + CO_2$(g) + H_2O(l)}$$

Question 14

Which of the following statements about oxidation-reduction (redox) reactions is correct?

Accepted Answer

Oxidation is the loss of electrons and reduction is the gain of electrons.

Question 15

A titration is performed using 0.100 M NaOH to neutralize 25.0 mL of H2SO4. If 30.0 mL of NaOH is required to reach the equivalence point, what is the concentration of the H2SO4 solution?

Accepted Answer

$$0.0600\ \mathrm{M}$$

Question 16

Which of the following is a weak electrolyte?

Accepted Answer

CH3COOH

Question 17

Which of the following best describes the role of water in an aqueous solution?

Accepted Answer

It is the solvent.

Question 18

Which of the following is the correct net ionic equation for the reaction between aqueous solutions of AgNO3 and NaCl?

Accepted Answer

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

Chapter 4: Reactions in Aqueous Solution – General Chemistry Study Guide

Guida di studio - Domande di pratica

Study guide - Flashcard