Multiple Choice
Consider the reaction: 2HgO(s) 2Hg(l) + O2(g) Which of the following statements is correct?
A) Mercury is reduced.
B) Oxygen is oxidized.
C) Mercury(II) ion is the oxidizing agent.
D) Oxide ion is the reducing agent.
E) All of these statements are correct.
Correct Answer:

Verified
Correct Answer:
Verified
Q13: A voltaic cell is prepared in
Q14: In which substance does chlorine have an
Q15: Consider the reaction: Cu(s) + 4HNO<sub>3</sub>(aq)
Q16: In which compound does bromine have an
Q18: The balanced half-reaction for the oxidation
Q19: Consider the skeletal equation: Sn<sup>2+</sup>(aq) +
Q20: In any electrolytic cell, the cathode is
Q21: A voltaic cell is prepared in
Q36: In which compound does phosphorus have an
Q76: An electrolytic cell produces electrical energy.