Reactions and Periodicity ‹ 83
❯ Review Questions
Here are questions you can use to review the content of this chapter and practice for the AP
Chemistry exam. First are 16 multiple-choice questions similar to what you will encounter
in Section I of the AP Chemistry exam. Following those is a short free-response question
like ones in Section II of the exam. To make these review questions an even more authentic
practice for the actual exam, time yourself following the instructions provided.Multiple-Choice Questions
Answer the following questions in 25 minutes. You may not use a calculator. You may use
the periodic table and the equation sheet at the back of this book.- Fe(OH) 2 (s) + H 3 PO 4 (aq) →
Fe 3 (PO 4 ) 2 (s) + H 2 O(l)
After the above chemical equation is balanced,
the lowest whole-number coefficient for water is:
(A) 3
(B) 1
(C) 9
(D) 6
- This ion will generate gas bubbles upon the
addition of hydrochloric acid.
(A) Cu^2 +
(B) CO 32 -
(C) Fe^3 +
(D) Al^3 + - Aqueous solutions of this ion are blue.
(A) Cu^2 +
(B) CO 32 -
(C) Fe^3 +
(D) Al^3 +- Which of the following best represents the bal-
anced net ionic equation for the reaction of
lead(II) carbonate with concentrated hydrochlo-
ric acid? In this reaction, all lead compounds are
insoluble.
(A) Pb 2 CO 3 + 2 H+ + Cl- → Pb 2 Cl + CO 2 + H 2 O
(B) PbCO 3 + 2 H+ + 2 Cl- → PbCl 2 + CO 2 + H 2 O
(C) PbCO 3 + 2 H+ → Pb^2 + + CO 2 + H 2 O
(D) PbCO 3 + 2 Cl- → PbCl 2 + CO 32 -
5. A sample of copper metal is reacted with con-
centrated nitric acid in the absence of air. After
the reaction, which of these final products are
present?
(A) CuNO 3 and H 2 O
(B) Cu(NO 3 ) 3 , NO, and H 2 O
(C) Cu(NO 3 ) 2 , NO, and H 2 O
(D) CuNO 3 , H 2 O, and H 2
6. Which of the following is the correct net ionic
equation for the reaction of acetic acid with
potassium hydroxide?
(A) HC 2 H 3 O 2 + OH- → C 2 H 3 O 2 - + H 2 O
(B) HC 2 H 3 O 2 + K+ → KC 2 H 3 O 2 + H+
(C) HC 2 H 3 O 2 + KOH → KC 2 H 3 O 2 + H 2 O
(D) H+ + OH- → H 2 O(l) - Which of the following is the correct net ionic
equation for the addition of aqueous ammonia
to a precipitate of silver chloride?
(A) AgCl + 2 NH 3 → [Ag(NH 3 ) 2 ]^ + + Cl-
(B) AgCl + 2 NH 4 + → [Ag(NH 4 ) 2 ]^3 + + Cl-
(C) AgCl + NH 4 + → Ag+ + NH 4 Cl
(D) AgCl + NH 3 → Ag+ + NH 3 Cl - Potassium metal will react with water to release
a gas and form a potassium compound. Which
of the following is true?
(A) The final solution is basic.
(B) The gas is oxygen.
(C) The potassium compound precipitates.
(D) The potassium compound will react with
strong bases.