Question 1

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

Accepted Answer

BaSO4

Question 2

A student mixes aqueous solutions of Na2SO4 and BaCl2. What precipitate, if any, will form?

Accepted Answer

BaSO4

Question 3

Which of the following compounds is soluble in water?

Accepted Answer

KNO3

Question 4

Which compound will be only slightly soluble in water?

Accepted Answer

PbCl2

Question 5

A solution contains both Na2CO3 and CaCl2. What solid, if any, will precipitate?

Accepted Answer

CaCO3

Question 6

Which of the following is an exception to the insolubility of sulfates?

Accepted Answer

Na2SO4

Question 7

Which of the following compounds is sparingly soluble in water?

Accepted Answer

Ca(OH)2

Question 8

A student adds AgNO3 to a solution containing NaCl. What will happen?

Accepted Answer

A white precipitate of AgCl will form

Question 9

Which of the following compounds is insoluble in water, except when paired with NH4+?

Accepted Answer

CaCO3

Question 10

Which of the following best explains why Ag2SO4 is only slightly soluble in water?

Accepted Answer

Because Ag+ is an exception to the general solubility of sulfates

Question 11

Which of the following compounds will NOT form a precipitate when mixed with a solution of Na2SO4?

Accepted Answer

KCl

Question 12

Which of the following is a soluble compound containing a Group 2 metal ion?

Accepted Answer

Mg(NO3)2

Question 13

Which of the following best describes the solubility of hydroxides in water?

Accepted Answer

Hydroxides of Group 1 and Group 2 metals are soluble, except for Ca(OH)2 and Sr(OH)2, which are sparingly soluble

Question 14

Which of the following compounds is soluble due to the presence of an ammonium ion?

Accepted Answer

NH4Cl

Question 15

A solution contains both Na2SO4 and Pb(NO3)2. What will happen when the solutions are mixed?

Accepted Answer

A precipitate of PbSO4 will form

General Chemistry Exam 2 Study Guide: Chemical Bonding, Stoichiometry, Solutions, and Redox

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