Oxidizing Agents and Reducing Agents
Chemistry ⇒ Redox Reactions and Electrochemistry
Oxidizing Agents and Reducing Agents starts at 10 and continues till grade 12.
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Describe the change in oxidation number for the oxidizing agent during a redox reaction.
Describe the change in oxidation number for the reducing agent during a redox reaction.
Explain why alkali metals are good reducing agents.
Explain why halogens are good oxidizing agents.
Identify the reducing agent in the following reaction: 2Na + Cl2 → 2NaCl
In the reaction: 2Al + 3CuSO4 → Al2(SO4)3 + 3Cu, which element is reduced?
In the reaction: 2H2O2 → 2H2O + O2, which species is reduced?
In the reaction: C + O2 → CO2, identify the oxidizing agent and the reducing agent.
Which of the following is a common industrial oxidizing agent? (1) H2SO4 (2) NaCl (3) H2O2 (4) CH4
Which of the following is a common laboratory reducing agent? (1) H2O2 (2) NaBH4 (3) O3 (4) KMnO4
Which of the following is a property of a good oxidizing agent? (1) Tendency to lose electrons (2) High electron affinity (3) Low electronegativity (4) Low oxidation state
Which of the following is a property of a good reducing agent? (1) High electron affinity (2) Low ionization energy (3) High electronegativity (4) Tendency to gain electrons
Fill in the blank: In the reaction 2Fe3+ + 2I- → 2Fe2+ + I2, the oxidizing agent is ________.
Fill in the blank: In the reaction 2H2 + O2 → 2H2O, the oxidizing agent is ________.
Fill in the blank: In the reaction 2K + Br2 → 2KBr, the oxidizing agent is ________.
Fill in the blank: In the reaction Fe2+ + Cl2 → Fe3+ + 2Cl-, the reducing agent is ________.
State whether the following statement is true or false: The oxidizing agent is always reduced in a redox reaction.
True or False: A reducing agent is itself oxidized during a redox reaction.
True or False: A substance that is reduced acts as the oxidizing agent.
True or False: In a redox reaction, the substance that is reduced loses electrons.
