The half cells are interconnected through________________?
Correct answer: B. salt bridge
- A. wire
- B. salt bridge
- C. electric circuit
- D. no connection exists
Explanation
The two half-cells are connected internally by a salt bridge, which permits ion migration and maintains electrical neutrality. The external wire connects the electrodes and provides the path for electrons. The likely wrong choice is wire, because it connects the electrodes externally rather than interconnecting the solutions internally.
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About Redox Reactions
Redox reactions involve oxidation and reduction occurring together, with electrons transferred between species or oxidation numbers changing. The topic covers assigning oxidation states, identifying oxidizing and reducing agents, balancing redox equations by oxidation number or half-reaction methods, and connecting chemical changes with galvanic and electrolytic cells.
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