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For an electrochemical cell Sn(s)//Sn^(...

For an electrochemical cell
`Sn(s)//Sn^(2+) (aq,1M)||Pb^(2+) (aq,1M)|Pb(s)`
the ratio `([Sn^(2+)])//([Pb^(2+)]` when this cell attians equilibrium is_______ (Given : `E_(Sn^(2+)|Sn)^(@)` = -0.14V, `E_(Pb^(2+)|Pb)^(@)`= -0.13V, `(2.303RT)/(F) = 0.06))`

A

4.3

B

1

C

`-2.15`

D

`2.14`

Text Solution

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The correct Answer is:
D
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For an electrochemical cell Sn(s)|Sn^(2+)(aq, 1M)||Pb^(2+)(aq, 1M)|Pb(s) the ratio ([Sn^(2+)])/([Pb^(2+)]) when this cell attains equilibrium is _________________. ("Given "E_(Sn^(2+)|Sn)^(@)=-0.14V, " "E_(Pb^(2+)|Pb)^(@)=-0.13V,(2.303RT)/(F)=0.06)

Given: E_(Sn^(2+)//Sn) ^0 = -0.14V , E_(Pb^(2+)//Pb) ^0 = -0.13V . Determine [(Sn^(2+))//(Pb^(2+))] at equilibrium. For cell reaction Sn |Sn^(2+) || Pb^(2+) | Pb , Take (2.303RT)//F = 0.06V

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