Watch the video lesson below and answer the questions that follows. (Post your answer into the comment box below this post) NOTE: The correction will be posted soon.
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Redox Reaction Video Lesson.
Redox Reaction JAMB Past Question Practice
Attempt the Questions below. Post your answer into the comment box, the correction will be posted soon.
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1. Reduction of alkanonoes with LialH4 produces
- A. primary alkanols
- B. secondary alkanols
- C. tertiary alkanols
- D. polyhydric alkanols
2. 2H2O (l) + 2F2(g) → 4HF(aq) + O2(g).
In the reaction above, the substance that is being reduced is
- A. O2(g)
- B. H2O(l)
- C. F2(g)
- D. HF(aq)
3. Zn (s) + CuSO 4(aq) → ZnSO 4(aq) + Cu (s)
In the reaction above, the oxidation number of the reducing agent changes from
- A. 0 to + 4
- B. 0 to + 2
- C. + 1 to + 2
- D. + 1 to + 3
4. An oxidation state of Cr in K2Cr2O7
- A. 7
- B. 6
- C. 5
- D. 4
5. MnO4(aq) + Y + 5Fe2+ (aq) ↦↦ Mn2+ (aq) + 5Fe3+ (aq) + 4H2O (l).
In the equation above, Y is
- A. 10H+ (aq)
- B. 5H+ (aq)
- C. 8H+ (aq)
- D. 4H+ (aq)