Survey of Oxidation and Reduction Reactions continued 8. Choose the correct term

Question

Survey of Oxidation and Reduction Reactions continued 8. Choose the correct terms to complete the following sentenc e: A(n) oxidizing/reducing agent is a substance that causes the oxiuc agent inc Based on the in Explain your reasoning dation/red reases/ cton of another substance in a redox reaction. The oxidation state of the reducin decreases and the reducing agent itself undergoes oxidation/reduction during the reaction. 9. ations in Part B, which halide-bromide ion or iodide ion--is the stronger reducing agent? 10. Iron(II) compounds in foods are more easily absorbed by the body than iron (II) compounds. Vitamin C improves the absorption of dietary iron. Explain based on your observations in this experiment. 11. Suggest a possible reason for the results obtained using pineapple juice in this experiment. 12. Which of the following reactions are not redox reactions? a. CH,(g) + O2(g) CO2(g) + 2H2O(g) h AgNO3(aq) + NaCl (aq) AgCl(s) + NaNO3(aq) c CaCo, () heat, Cao(s) + CO,(g) catalyst

Explanation / Answer

Ans 8 :
When the oxidation number of the compound increases , it is said to be oxidised and when it decreases , it is said to be reduced. So the correct statements will be :

A reducing agent is a suctance that causes the reduction of another substance in a redox reaction.

The oxidation state of the reducing agent increases and the reducing agent itself undergoes oxidation during the reaction.

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