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Questions and Answers
What is the reduction process for Quinhydrone electrode?
What is the reduction process for Quinhydrone electrode?
The electrodic reaction for the reduction process is not specified in the content.
What are Lithium-ion batteries?
What are Lithium-ion batteries?
Lithium-ion batteries are secondary rechargeable batteries that contain lithium intercalated carbon as anode and lithium metal oxide as cathode, with a non-aqueous electrolyte.
Distinguish between electrolytic and electrochemical cells.
Distinguish between electrolytic and electrochemical cells.
The distinctions are not explicitly mentioned in the content.
What is a battery? Give one example each for primary and secondary batteries.
What is a battery? Give one example each for primary and secondary batteries.
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Differentiate primary battery from secondary battery.
Differentiate primary battery from secondary battery.
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Calculate the electrode potential of Zn | Zn²⁺ (0.01) electrode at 25 °C. (E° Zn | Zn = 0.76 V)
Calculate the electrode potential of Zn | Zn²⁺ (0.01) electrode at 25 °C. (E° Zn | Zn = 0.76 V)
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Represent the Calomel electrode and write its electrode reaction.
Represent the Calomel electrode and write its electrode reaction.
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Find the EMF of the following cell...
Find the EMF of the following cell...
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Study Notes
Electrochemistry and Battery Chemistry
- Quinhydrone electrode: A type of electrode used to measure pH. It consists of a platinum wire immersed in a solution containing quinhydrone (an equimolar mixture of quinone and hydroquinone). The electrode reaction involves the reduction of quinone to hydroquinone.
- Lithium-ion batteries (LIB): Popular rechargeable batteries consisting of a carbon anode, a lithium metal oxide cathode, and an organic electrolyte. The battery's reaction involves lithium ions moving between the anode and cathode during charging/discharging.
- Electrolytic and electrochemical cells: Electrolytic cells use electricity to drive non-spontaneous chemical reactions, while electrochemical cells convert chemical energy to electrical energy via spontaneous reactions.
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Batteries: Devices composed of one or more electrochemical cells converting stored chemical energy into electrical energy.
- Primary batteries: Not rechargeable, examples include Zinc-carbon batteries.
- Secondary batteries (rechargeable): Can be recharged, examples include Lead-acid batteries and Lithium-ion batteries.
- Calomel electrode: A reference electrode that uses mercury in contact with mercurous chloride (calomel). Its electrode reaction involves the reduction of mercurous ions to mercury.
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Description
Test your knowledge on electrochemical principles and the functioning of batteries. This quiz covers topics such as quinhydrone electrodes, lithium-ion batteries, and the differences between electrolytic and electrochemical cells. Challenge yourself to understand the core concepts that drive modern energy storage technologies.
