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Chemistry - Electrochemistry Question with Solution | TestHub

ChemistryElectrochemistryGalvanic cells/Nernst Equation/Concentration CellsHard2 minPYQ_2003

ChemistryHardsingle choice

Time required to deposit one millimole of aluminium metal by the passage of 9.65 amperes through aqueous solution of aluminium ion is

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Answer:

Solution:

$Al^{3 +} + 3 e^{-} \to Al$ For deposition of $1 g$ equivalent $\equiv 96500 C$ For deposition of 1 millimole $\equiv 96.500 C$ As $Q = I t \Rightarrow t = \frac{Q}{I} = \frac{96.5}{9.65} = 10 s$

Stream:AIIMSSubject:ChemistryTopic:ElectrochemistrySubtopic:Galvanic cells/Nernst Equation/Concentration Cells

⏱ 2mℹ️ Source: PYQ_2003

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