Multiple Choice
Which of the following represents the cathode reaction in the corrosion of iron metal to aqueous iron(II)?
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6. Chemical Quantities & Aqueous Reactions
Redox Reactions
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Which term describes the compound that loses electrons to an electron-accepting compound in a redox reaction?
A
Reducing agent
B
Oxidizing agent
C
Catalyst
D
Electrolyte
Verified step by step guidance1
Identify the key terms in the problem: 'loses electrons' and 'redox reaction'. In a redox reaction, one compound loses electrons while another gains them.
Understand the role of the compound that loses electrons. In a redox reaction, the compound that loses electrons is known as the reducing agent.
Recall that the reducing agent is oxidized in the process, meaning it loses electrons and increases its oxidation state.
Differentiate between the terms: A reducing agent donates electrons, an oxidizing agent accepts electrons, a catalyst speeds up a reaction without being consumed, and an electrolyte conducts electricity when dissolved in water.
Conclude that the term describing the compound that loses electrons in a redox reaction is the 'reducing agent'.
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