The cathode in lead storage battery is made of:
Correct answer: B. Lead oxide
- A. Lead
- B. Lead oxide
- C. Lead hydroxide
- D. None of the above
Explanation
In a lead storage battery, the cathode is made up of lead dioxide, alternatively we can also use lead oxide as it is still an oxide of lead and can gain electrons.
This question appeared on the ETEA MDCAT 2015 paper, which you can sit online with every answer explained.
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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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