Question 1

Which of the following best describes an ionic salt?

Accepted Answer

A compound formed when an acid and a base undergo a neutralization reaction.

Question 2

Given the reaction: $$\mathrm{HCl\ (aq) + NaOH\ (aq) \rightarrow NaCl\ (aq) + H_2O\ (l)}$$, which compound is the ionic salt produced?

Accepted Answer

$$\mathrm{NaCl}$$

Question 3

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

Accepted Answer

$$\mathrm{NaF}$$

Question 4

A solution of $$\mathrm{NH_4Cl} is $$prepared in water. What will be the resulting pH of the solution?

Accepted Answer

The solution will be acidic.

Question 5

Which of the following compounds would be most soluble in a basic solution?

Accepted Answer

$$\mathrm{$$CaF_2$$}$$

Question 6

Which of the following anions will increase the pH of a solution when dissolved in water?

Accepted Answer

$$\mathrm{CH_3COO^-}$$

Question 7

Which of the following cations is most likely to form a salt that produces an acidic solution?

Accepted Answer

$$\mathrm{NH_4$^+}$$

Question 8

Which of the following salts will create a neutral solution when dissolved in water?

Accepted Answer

$$\mathrm{$$KNO_3$$}$$

Question 9

If $$\mathrm{Ca(CH_3COO)_2} is $$placed in a solution with a pH = 4.0, what will happen to its solubility?

Accepted Answer

It will increase.

Question 10

Which of the following compounds would have an increase in solubility when placed into an acidic solution?

Accepted Answer

$$\mathrm{$$CaCO_3$$}$$

Question 11

Which of the following best explains why $$\mathrm{NaF}$$ creates a basic solution in water?

Accepted Answer

The $$\mathrm{F^-}$$ ion hydrolyzes water to produce $$\mathrm{OH^-}.$$

Question 12

Which of the following salts is most likely to decrease the pH of a solution?

Accepted Answer

$$\mathrm{NH_4Cl}$$

Question 13

A hospital uses $$\mathrm{NaCl}$$ solutions for intravenous therapy. What is the expected pH of a $$\mathrm{NaCl}$$ solution in water?

Accepted Answer

Neutral

Question 14

Which of the following best describes the solubility of $$\mathrm{$$CaF_2$$} in a $$basic solution?

Accepted Answer

Solubility decreases because $$\mathrm{OH^-}$$ suppresses $$\mathrm{F^-}$$ ionization.

Question 15

Which of the following salts contains a cation that can act as a weak acid in water?

Accepted Answer

$$\mathrm{NH_4Cl}$$

Question 16

Which of the following best explains why $$\mathrm{$$KNO_3$$}$$ produces a neutral solution in water?

Accepted Answer

Both $$\mathrm{K^+}$$ and $$\mathrm{NO_3$^-}$$ are spectator ions from strong acid and strong base.

Question 17

Which of the following salts would increase the pH of a solution when dissolved in water?

Accepted Answer

$$\mathrm{NaF}$$

Question 18

Which of the following best describes the effect of adding $$\mathrm{HCl} to a $$solution containing $$\mathrm{$$CaCO_3$$}$$?

Accepted Answer

The solubility of $$\mathrm{$$CaCO_3$$}$$ increases due to reaction with $$\mathrm{H^+}.$$

Question 19

Which of the following is a correct statement about the solubility of salts containing basic anions?

Accepted Answer

Their solubility increases in acidic solutions.

Ionic Salts: Formation, Classification, and Solubility

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