Electrochemistry
Quiz
•
Chemistry
•
University
•
Medium
Mohamad Termizi Nurdin
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Oxidation occurs at the
anode
cathode
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Reduction occurs at the
anode
cathode
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What occurs to the mass of copper electrode in the following reaction?
Zn/Zn2+ // Cu2+/Cu
increases
decreases
remains the same
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which metal is the negative electrode?
Zn/Zn2+ // Cu2+/Cu
zinc
copper
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What reaction occurs at the anode?
Ag+/Ag = 0.80V
Ni2+/Ni = -0.25V
Ag+ + e- →Ag
Ag → Ag+ + e-
Ni2+ + 2e- → Ni
Ni → Ni2+ + 2e-
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What would be the theoretical cell potential of the previous electrochemical cell?
Ag+/Ag = 0.80V
Ni2+/Ni = -0.25V
1.05V
-1.05V
0.55V
-0.55V
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is a redox reaction?
A reaction where both reactants get reduced.
A reaction where both reactants get oxidized.
A reaction that involves a transfer of electrons between reactants.
A reaction that involves the combustion of at least one reactant.
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