Q.1
What is an anode?
  • It is the electrode where oxidation takes place.
  • It is the electrode where reduction takes place.
  • It is an aqueous solution containing an electrode.
  • It is the salt bridge that connects half-cells.
Q.2
What is an oxidizing agent?
  • It is the species that gets reduced -- gains electrons.
  • It is the species that gets oxidized -- loses electrons.
  • It is the species that creates electrons.
  • It is the species that loses electrons.
Q.3
What is a galvanic (voltaic) cell?
  • It is a cell that destroys electrons on one side and creates electrons on the other side.
  • It is a cell that contains only one metal bar and one aqueous ion solution.
  • It is a type of battery that drives a redox reaction when electricity is applied.
  • It is a type of battery that generates an electrical current from redox reactions.
Q.4
What is a standard half-cell?
  • It is one cell that comprises half of a whole battery.
  • It is a cell containing only a metal bar with no aqueous ion solution.
  • It is a cell containing only an aqueous ion solution and no metal bar.
  • It is a cell that generates half of a volt of electricity.
Q.5
In a Galvanic Cell, the anode is...
  • positive
  • negative
Q.6
A certain galvanic cell has for its spontaneous cell reaction: Zn + HgO → ZnO + HgWhich is the half-reaction occurring at the anode?
  • HgO + 2 e- → Hg + O2-
  • Zn2+ + 2 e- → Zn
  • Zn → Zn2+ + 2 e-
  • ZnO + 2 e- → Zn
Q.7
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  • All of above
Q.8
Calculate the standard cell potential.3Mg + 2Al--> 2Al + 3Mg2+
  • +0.71 V
  • -0.71 V
Q.9
What occurs to the mass of copper electrode in the following reaction?Zn/Zn// Cu2+/Cu
  • increases
  • decreases
  • remains the same
Q.10
If Al is above Co in the activity series of metals, which of the following will occur if Al metal is put into a solution of cobalt nitrate?
  • a redox reaction takes place
  • the Al strip dissolves
  • the Al strip becomes coated with cobalt
  • all of the above
Q.11
An iron nail is put into a solution of copper nitrate, iron is above copper in the activity series of metals, what will happen?
  • iron will be reduced
  • bubbles of oxygen gas will form on iron nail
  • the iron nail will become copper plated
  • no reaction occurs
Q.12
Which metal is the negative electrode?Zn/Zn// Cu2+/Cu
  • zinc
  • copper
Q.13
What would be the theoretical cell potential of the previous electrochemical cell?Ag+/Ag = 0.80VNi2+/Ni = -0.25V
  • 1.05V
  • -1.05V
  • 0.55V
  • -0.55V
Q.14
Electrons are gained at the
  • anode
  • cathode
Q.15
Oxidation occurs at the
  • anode
  • cathode
Q.16
Electrons always flow from
  • cathode to anode
  • anode to cathode
Q.17
What is a cathode?
  • It is the electrode where oxidation takes place.
  • It is the electrode where reduction takes place.
  • It is an aqueous solution containing an electrode.
  • It is the salt bridge that connects half-cells.
Q.18
What is a half-reaction?
  • It is a reaction at equilibrium where half of the substances are reactants and half of the substances are products.
  • It is the reaction that occurs when the switch of a galvanic cell is open.
  • It shows EITHER the reduction component or the oxidation component of a redox reaction.
  • It shows BOTH the reduction and oxidation components of a redox reaction.
Q.19
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.
Q.20
What is a reducing agent?
  • It is the species that gets reduced -- gains electrons.
  • It is the species that gets oxidized -- loses electrons.
  • It is the species that creates electrons.
  • It is the species that destroys electrons.
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