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प्रश्न
Give an example of a fuel cell and write the anode and cathode reactions for it.
रासायनिक समीकरणे/रचना
अति संक्षिप्त उत्तर
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उत्तर
A common example of a fuel cell is the hydrogen-oxygen fuel cell, which is used in spacecraft and other applications where clean energy is needed.
At anode: \[\ce{[H2_{(g)} + 2OH^{-}_{ (aq)} -> 2H2O_{(l)} + 2e-]}\] × 2
At cathode: \[\ce{O2_{(g)} + 2H2O_{(l)} + 4e- -> 4OH^{-}_{ (aq)}}\]
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