Practice Redox Reaction in Chemistry
Use these practice problems to test your method after reviewing the concept explanation and worked examples.
Quick Recap
A reaction in which electrons are transferred from one substance to another — one is oxidized, one is reduced.
One thing loses electrons (oxidized), another gains them (reduced).
Example 1
easyDefine a redox reaction and explain the relationship between oxidation and reduction.
Example 2
mediumIn the reaction \text{Zn(s)} + \text{CuSO}_4\text{(aq)} \rightarrow \text{ZnSO}_4\text{(aq)} + \text{Cu(s)}, identify the oxidizing agent and the reducing agent.
Example 3
mediumDetermine whether the following reaction is a redox reaction: \text{HCl(aq)} + \text{NaOH(aq)} \rightarrow \text{NaCl(aq)} + \text{H}_2\text{O(l)}. Justify your answer.
Example 4
hardBalance the following redox reaction in acidic solution using the half-reaction method: \text{MnO}_4^- + \text{Fe}^{2+} \rightarrow \text{Mn}^{2+} + \text{Fe}^{3+}.