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Write Nernst equation for the electrode ...

Write Nernst equation for the electrode reaction :
`M^(n+)(aq)+"n"e^(-)(aq) to M(s)`

Text Solution

Verified by Experts

`E_(M^(n+)//M)=E_(M^(n+)//M)^(@)+(2.303RT)/(nF)log(([Mn^(n+)])/([M]))`
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2Al(s)+2Cu^(2+)(aq)rarr2Al^(3+)(aq)+2Cu(s) What value should be used for n in the Nernst equation to determine the effect of changes in Al^(3+) (aq) and Cu^(2+) (aq) concentrations in this reaction?

Knowledge Check

  • The correct representation of Nernst equation for half-cell ,reaction Cu^(2+) (aq) + e^(-) to Cu^(+) (aq) is

    A
    `E_(cu^(+),cu^(2+))^(@) = E_(cu^(+),cu^(2+))^(@) - (0.0592)/(2) log .([Cu^(+)])/([Cu^(2+)])`
    B
    `E_(cu^(+),cu^(2+))^(@) = E_(cu^(+),cu^(2+))^(@) - (0.0592)/(1) log .([Cu^(+)])/([Cu^(2+)])`
    C
    `E_(cu^(+),cu^(2+))^(@) = E_(cu^(+),cu^(2+))^(@) - (0.0592)/(2) log .([Cu^(+)])/([Cu^(2+)])`
    D
    `E_(cu^(+),cu^(2+))^(@) = E_(cu^(+),cu^(2+))^(@) - (0.0592)/(1) log .([Cu^(+)])/([Cu^(2+)])`
  • 2Al(s)+2Cu^(2+)(aq)rarr2Al^(3+)(aq)+2Cu(s) What value should be used for n in the Nernst equation to determine the effect of changes in Al^(3+) (aq) and Cu^(2+) (aq) concentrations in this reaction?

    A
    6
    B
    5
    C
    3
    D
    2
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