AP QUIZZES - AP TOPIC 16 Electrochemistry SET A
AP Quizzes - AP TOPIC 16 Electrochemistry SET A.
RELOAD
this page each time before re-taking and re-grading the quiz.
QUESTION 1. If the two half-cells below were combined, what would be the correct chemical equation to represent the spontaneous REDOX process?
Cu
2+
+ 2e
-
<====> Cu (+0.34V)
H
+
+ e
-
<====> 1/2 H
2
(0.00V)
(A) Cu
2+
+ H
+
==> 1/2 H
2
+ Cu
(B) Cu
2+
+ 2H
+
==> H
2
+ Cu
(C) Cu
2+
+ 1/2 H
2
==> H
+
+ Cu
(D) Cu
2+
+ H
2
==> 2H
+
+ Cu
(E) Cu + 2H
+
==> H
2
+ Cu
2+
QUESTION 2. If the two half-cells below were combined, what would be the voltage generated by the spontaneous REDOX process?
Cu
2+
+ 2e- <====> Cu (+0.34V)
H
+
+ e- <====> 1/2 H
2
(0.00V)
(A) +0.34V
(B) -0.34V
(C) 0.00V
(D) +0.68V
(E) -0.68V
QUESTION 3. If the two half-cells below were combined, which cell would undergo reduction?
Cu
2+
+ 2e
-
<====> Cu (+0.34V)
H
+
+ e
-
<====> 1/2 H
2
(0.00V)
(A) Hydrogen half-cell
(B) Neither
(C) Both
(D) Copper half-cell
(E) Not enough information to tell
QUESTION 4. If the two half-cells below were combined, what would be the expected products of the spontaneous chemical reaction?
Zn
2+
+ 2e
-
<====> Zn (-0.76V)
H
+
+ e
-
<====> 1/2 H
2
(0.00V)
(A) H
+
and Zn
2+
(B) H
+
and Zn
(C) Zn and H
2
(D) H
2
and Zn
2+
(E) None of the above
QUESTION 5. Which of the following statements is FALSE?
(A) Oxidation involves a loss of electrons
(B) Reduction involves a gain of electrons
(C) A cell can be used to determine a value of Delta G for a REDOX reaction
(D) A spontaneous REDOX reaction has a positive Ecell voltage
(E) Electrolysis of aqueous potassium chloride will yield potassium metal at the cathode
RELOAD THIS QUIZ
RETURN TO PREVIOUS QUIZ SET IN THIS TOPIC
MOVE ON TO NEXT QUIZ SET IN THIS TOPIC
RETURN TO AP QUIZ INDEX PAGE
