Question 1

Which of the following statements best describes an aqueous solution?

Accepted Answer

A solution in which water is the solvent.

Question 2

Which of the following compounds will produce a solution that conducts electricity when dissolved in water?

Accepted Answer

NaCl

Question 3

Which of the following is a correct net ionic equation for the reaction between aqueous solutions of silver nitrate and sodium sulfate?

Accepted Answer

$$2Ag^{+}(aq) + SO$$_{4}^{2-}(aq) \rightarrow $$Ag_{2}SO$$_{4}(s)$$

Question 4

Which of the following compounds is insoluble in water?

Accepted Answer

AgI

Question 5

Which of the following is a strong electrolyte?

Accepted Answer

HCl

Question 6

What is the net ionic equation for the neutralization reaction between acetic acid and lithium hydroxide?

Accepted Answer

$$H^{+}(aq$$) + $$OH^{-}(aq$$) \rightarrow $$H_{2}O(l$$)$$

Question 7

Which of the following best describes the difference between dissociation and ionization?

Accepted Answer

Dissociation refers to the separation of ionic compounds into ions, while ionization refers to the formation of ions from molecular compounds.

Question 8

Which of the following is a weak base?

Accepted Answer

NH_{3}

Question 9

A solution of $$Na_{2}S(aq$$)$$ is mixed with Cu(NO$$_{3})_{2}(aq)$$. Which precipitate forms?

Accepted Answer

$$CuS$$

Question 10

Which of the following is NOT a strong acid?

Accepted Answer

$$H_{2}SO$$_{3}

Question 11

Which of the following best explains why pure water does not conduct electricity?

Accepted Answer

It contains only neutral molecules and no ions.

Question 12

Which of the following is a correct molecular equation for the reaction between $$KCl(aq)$$ and $$AgNO_{3}(aq)$$?

Accepted Answer

$$KCl(aq) + AgNO_{3}(aq) \rightarrow AgCl(s) + KNO_{3}(aq)$$

Question 13

Which of the following is a nonelectrolyte?

Accepted Answer

$$CH_{3}OH$$

Question 14

Which of the following best describes a precipitation reaction?

Accepted Answer

A reaction in which a solid forms from two aqueous solutions.

Question 15

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

Accepted Answer

Ba(NO_{3})_{2}

Question 16

Which of the following is the correct net ionic equation for the neutralization of HCl with NaOH?

Accepted Answer

$$H^{+}(aq$$) + $$OH^{-}(aq$$) \rightarrow $$H_{2}O(l$$)$$

Question 17

Which of the following is a strong base?

Accepted Answer

NaOH

Question 18

Which of the following best describes the role of a Bronsted-Lowry base?

Accepted Answer

A proton acceptor

Question 19

Which of the following is a weak acid?

Accepted Answer

$$CH_{3}$$COOH

Question 20

Which of the following best explains why $$BaSO_{4} is $$used in medical imaging despite containing toxic barium ions?

Accepted Answer

Because $$BaSO_{4} is $$insoluble in water, so barium ions are not released.

Reactions in Aqueous Solutions: Electrolytes, Precipitation, and Acid-Base Chemistry

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