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Chemistry - Electrochemistry Question with Solution | TestHub

ChemistryElectrochemistryGalvanic cells/Nernst Equation/Concentration CellsEasy2 minPYQ_2020

ChemistryEasysingle choice

For the reduction of silver ions with copper metals, the standard cell potential was found to be +0.46 V at 25 C. The value of standard Gibbs energy. $Δ G$ will be ( $F = 96500 C m o l^{- 1}$ )

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Answer:

Solution:

$2 A g^{+} + C u \to 2 A g + C u^{2 +}$
Here $n = 2$
$Δ G = - n F E_{c e l l}$
$Δ G = - 2 \times - 96500 \times 0.46$ $J$
$Δ G = - 88.78$ $k J ≃ - 89 k J$

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

⏱ 2mℹ️ Source: PYQ_2020

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