In electrolytic solution conductance of electricity is due to _____________________?
Correct answer: B. ions
- A. free electrons
- B. ions
- C. metals
- D. electrodes
Explanation
In an electrolytic solution, dissolved ions move toward oppositely charged electrodes and carry charge through the solution. Electrons conduct through the metallic wires and electrodes, not through the electrolyte itself. The likely wrong choice is free electrons, which confuses metallic conduction with ionic conduction.
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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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