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Questions and Answers
What is the primary function of an electrode in an electrochemical reaction?
What is the primary function of an electrode in an electrochemical reaction?
- To catalyze a chemical reaction
- To store electrical energy
- To measure the potential difference between two solutions
- To conduct electricity and facilitate electron transfer (correct)
What is the characteristic of an active anode in an electrochemical reaction?
What is the characteristic of an active anode in an electrochemical reaction?
- It remains unchanged during the reaction
- It gradually dissolves as the reaction proceeds (correct)
- It is only used in electrolysis reactions
- It is only used in displacement reactions
In an electrolysis reaction, what occurs at the cathode?
In an electrolysis reaction, what occurs at the cathode?
- Reduction occurs, resulting in a gain of electrons (correct)
- The electrolyte is formed
- The electric current is generated
- Oxidation occurs, resulting in a loss of electrons
What is the purpose of the electrochemical series?
What is the purpose of the electrochemical series?
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What is the result of electrolysis of an aqueous solution of copper dichromate?
What is the result of electrolysis of an aqueous solution of copper dichromate?
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What is the function of the electrolyte in an electrolysis reaction?
What is the function of the electrolyte in an electrolysis reaction?
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What is the outcome of a displacement reaction between zinc granules and acidified copper sulfate solution?
What is the outcome of a displacement reaction between zinc granules and acidified copper sulfate solution?
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What is the significance of the memory aid 'CatNAP'?
What is the significance of the memory aid 'CatNAP'?
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What is the result of electrolysis of an aqueous solution of sodium sulfate using a universal indicator?
What is the result of electrolysis of an aqueous solution of sodium sulfate using a universal indicator?
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