Core Reactions: Redox
Slide 42 of 42
Practice Questions: Multiple Choice
3. N98/26.  What is the oxidizing agent in the following reaction?
•Cl2(aq) +  2 Br- (aq)  à  2 Cl- (aq)  +  Br2(aq)
–A. Cl2(aq) B.  Br-(aq) C. Cl- (aq) D. Br2(aq)
4. 92/34. In the following compounds, sulfur has the highest oxidation number in:
–A.  S8 B.  SO2 C.  SO3 D.  H2S
5. 90/47. In the reaction MnO2 + 4 HCl ® Cl2 + 2 H2O + MnCl2
–A. HCl is the oxidizing agent.           B. Cl2 is the oxidization product.
–C. H2O is the reduction product.         D. MnO2 is the reducing agent.
6. 90/33.  Which one of the following species could NOT behave as a reducing agent?
–A. H2 B.  I- C.  Na D.  NO3-