Chemistry - Electrochemistry Question with Solution | TestHub
ChemistryElectrochemistryCommercial Cells/Fuel cellMedium2 minQB
ChemistryMediummatching list
Match Column I with Column II. Select the correct mapping.
Column I | Column II |
|---|---|
(i) Leclanché cell | (a) cell reaction 2H₂ + O₂ → 2H₂O |
(ii) Ni-Cd cell | (b) no solution ions; used in hearing aids |
(iii) Fuel cell | (c) rechargeable |
(iv) Mercury cell | (d) anode reaction Zn → Zn²⁺ + 2e⁻ |
| (e) converts combustion energy into electrical energy |
Options:
Answer:
A
Solution:
Leclanché oxidises Zn; Ni-Cd recharges; fuel cell fits both reaction and energy conversion; mercury is stable and used in hearing aids.
Stream:JEESubject:ChemistryTopic:ElectrochemistrySubtopic:Commercial Cells/Fuel cell
⏱ 2mℹ️ Source: QB
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