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Calculate the standard cell potential (i...

Calculate the standard cell potential (in V) of the cell in which following reaction takes place:
` Fe ^( 2 + ) ( aq ) + A g^ + ( aq ) to Fe ^( 3 + ) ( aq ) + Ag (s ) `
Given that ` E _ (Ag ^ + // Ag ) ^ 0 = x V , E _ ( Fe^( 2+ ) // Fe ) ^0 = yV , E _ (Fe^(3+)//F e )^0 = z V `

A

` x - z `

B

` x + y - z `

C

` x + 2y - 3 z `

D

` x - y `

Text Solution

AI Generated Solution

To calculate the standard cell potential (E°cell) for the given reaction: \[ \text{Fe}^{2+} (aq) + \text{Ag}^+ (aq) \rightarrow \text{Fe}^{3+} (aq) + \text{Ag} (s) \] we need to follow these steps: ### Step 1: Identify the half-reactions The half-reactions involved in the cell are: ...
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Knowledge Check

  • What is ‘A’ in the following reaction? 2Fe^(3+) (aq) + Sn^(2+) (aq) rarr 2 Fe^(2+) (aq) + A

    A
    `Sn^(3+)(aq)`
    B
    `Sn^(4+) (aq)`
    C
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    D
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  • Consider an electrochemical cell in which the following reaction occurs and predict which changes will decrease the cell voltage : Fe^(2+)(aq)+Ag^(+)(aq)toAg(s)+Fe^(3+)(aq)

    A
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    C
    II
    D
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