In Galvanic cell electrons flow from anode to cathode through__________________?
Correct answer: A. external electric circuit
- A. external electric circuit
- B. salt bridge
- C. movement of ions
- D. all of the above
Explanation
In a galvanic cell, oxidation at the anode releases electrons and reduction at the cathode consumes them, so electrons travel through the external electric circuit from anode to cathode. The salt bridge carries ions, not electrons, so choosing it confuses ionic movement with electron flow.
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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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