Which one statement (A) – (E) concerning Galvanic and Electrolytic cells is NOT correct? A) In the Galvanic cell, cations drift to the anode; in the electrolytic cell, cations drift to the cathode. B) Reduction occurs at the cathode in both the Galvanic and the electrolytic cell C) In the Galvanic cell, the cathode has (+) polarity; in the electrolytic cell, the cathode has (-) polarity. D) Electrons flow through the wire from the anode to the cathode in both the Galvanic and the electrolytic cell. E) The cell reaction in the Galvanic cell is spontaneous; that in the electrolytic cell is non-spontaneous. F) More than one of statements (a) – (d) is incorrect
Science behind corrosion-test
Corrosion is defined as an activity that transforms refined metals into more chemically stable forms such as oxide, hydroxide, carbonate, or sulfide. It refers to the slow decomposition of things (typically metals); thanks to chemical and/or electrochemical reactions with their surroundings. Corrosion engineering is the science of preventing and controlling corrosion.
Corrosion
Corrosion is defined as an activity that transforms refined metals into more chemically stable forms such as oxide, hydroxide, carbonate, or sulfide. It refers to the slow decomposition of things (typically metals); thanks to chemical and/or electrochemical reactions with their surroundings. Corrosion engineering is the science of preventing and controlling corrosion.
Which one statement (A) – (E) concerning Galvanic and Electrolytic cells is NOT
correct?
A) In the Galvanic cell, cations drift to the anode; in the electrolytic cell, cations drift to
the cathode.
B) Reduction occurs at the cathode in both the Galvanic and the electrolytic cell
C) In the Galvanic cell, the cathode has (+) polarity; in the electrolytic cell, the cathode
has (-) polarity.
D) Electrons flow through the wire from the anode to the cathode in both the Galvanic
and the electrolytic cell.
E) The cell reaction in the Galvanic cell is spontaneous; that in the electrolytic cell is
non-spontaneous.
F) More than one of statements (a) – (d) is incorrect
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