1.) When balancing oxidationâreduction reactions in acidic solution by the half-reaction method, the
addition of the reactant H+ is required to balance the product
a. O2. b. OHâ. c. O. d. H2O. e. none of these
2.) Which of the following statements is true for a voltaic (galvanic) cell?
a. The electron flow is from the positive electrode to the negative electrode.
b. The electron flow is from the anode to the cathode.
c. The electron flow is from the negative cathode to the positive anode.
d. The electron flow is through the salt bridge.
3.) The anode in a voltaic cell and in an electrolytic cell is
a. the site of oxidation and of reduction, respectively.
b. the site of reduction and of oxidation, respectively.
c. the site of oxidation in both cells.
d. positive in both cells.
1.) When balancing oxidationâreduction reactions in acidic solution by the half-reaction method, the
addition of the reactant H+ is required to balance the product
a. O2. b. OHâ. c. O. d. H2O. e. none of these
2.) Which of the following statements is true for a voltaic (galvanic) cell?
a. The electron flow is from the positive electrode to the negative electrode.
b. The electron flow is from the anode to the cathode.
c. The electron flow is from the negative cathode to the positive anode.
d. The electron flow is through the salt bridge.
3.) The anode in a voltaic cell and in an electrolytic cell is
a. the site of oxidation and of reduction, respectively.
b. the site of reduction and of oxidation, respectively.
c. the site of oxidation in both cells.
d. positive in both cells.
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