Galvanic Vs Electrolytic
In an electrolytic cell (as opposed to galvanic), the anode is:
Select the correct option:
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In a spontaneous redox reaction, electrons flow from:
In a spontaneous redox reaction, electrons flow from:
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Primary function of a salt bridge in a galvanic cell is to:
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For cell: Zn(s)|Zn²⁺(1 M)||Cu²⁺(1 M)|Cu(s), E°(Zn²⁺/Zn) = -0.76 V, E°(Cu²⁺/Cu) = +0.34 V. E°cell is:
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Nernst equation relates electrode potential to:
In a concentration cell with identical electrodes, driving force arises from:
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Faraday's first law states mass deposited is proportional to:
Faraday's first law states mass deposited is proportional to:
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During discharge of a lead storage battery, both electrodes are converted to:
During discharge of a lead storage battery, both electrodes are converted to:
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About This Question
- Subject
- chemistry
- Chapter
- electrochemistry
- Topic
- galvanic vs electrolytic
- Difficulty
- Hard
- Year
- 2025
Solution
Correct Answer:
Positive
- Galvanic Cell: Source of electricity (battery). Spontaneous reaction. Anode is negative because it releases electrons.
- Electrolytic Cell: Consumes electricity. External battery drives a non-spontaneous reaction.
- Connection: The anode must be connected to the positive terminal of the battery to 'pull' electrons away from the species being oxidized (2Cl−→Cl2+2e−).
- Mnemonic: PANIC → Positive Anode Negative In Cathode (only for electrolytic cells).
This hard difficulty chemistry question is from the chapter electrochemistry, covering the topic of galvanic vs electrolytic. It appeared in the 2025 exam.
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