CHEM 1120 Exam 4 MC Practice Questions – Multiple Choice Review (ECU
Chemistry 2026)
Not Needed - ANS ✔✔NA
In a galvanic cell, the half reaction is - ANS ✔✔an oxidation half-reaction and occurs at the
anode
What species is oxidized in the reaction - ANS ✔✔Fe(s)
A beta particle is - ANS ✔✔^0 -1 e
What is the reduction half-reaction for the following overall cell reaction - ANS ✔✔Ni^2+(aq) +
2e- -> Ni(s)
The half-reaction of the reaction shown below is found not to depend on the concentration of
H2O2(aq). What is the order of this reaction? - ANS ✔✔first
Molecular hydrogen can be made from methane gas by the reaction below. How is the rate of
disappearance of CH4 related to the rate of appearance of H2?
-Δ[CH4]/Δt
+Δ[H2]/Δt
+3Δ[H2]/Δt
+1Δ[H2]/3Δt
None of these - ANS ✔✔B
Chemistry 2026)
Not Needed - ANS ✔✔NA
In a galvanic cell, the half reaction is - ANS ✔✔an oxidation half-reaction and occurs at the
anode
What species is oxidized in the reaction - ANS ✔✔Fe(s)
A beta particle is - ANS ✔✔^0 -1 e
What is the reduction half-reaction for the following overall cell reaction - ANS ✔✔Ni^2+(aq) +
2e- -> Ni(s)
The half-reaction of the reaction shown below is found not to depend on the concentration of
H2O2(aq). What is the order of this reaction? - ANS ✔✔first
Molecular hydrogen can be made from methane gas by the reaction below. How is the rate of
disappearance of CH4 related to the rate of appearance of H2?
-Δ[CH4]/Δt
+Δ[H2]/Δt
+3Δ[H2]/Δt
+1Δ[H2]/3Δt
None of these - ANS ✔✔B
