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The standard EMF of the cell reaction ...

The standard EMF of the cell reaction
`1/2Cu(s)+1/2Cl_2(g) to 1/2Cu^(2+)+Cl^-`
is 0.2 V. The value of `/_\G^0` will be

A

`-98430 J`

B

`98430 J`

C

`96500 J`

D

`-96500 J`

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • The standard EMF for the given cell reaction Zn + Cu^(2+) rarr Cu + Zn^(2+) is 1.10 V at 25^(@)C . The EMF for the cell reaction, when 0.1 M Cu^(2+) and 0.1 M Zn^(2+) solutions are used, at 25^(@)C is -

    A
    `1.10 V`
    B
    `0.110 V`
    C
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    D
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  • For the cell reaction Cu(s)+Cl_(2)(aq)toCu^(2+)(aq)+2Cl-(aq) , cell notation is

    A
    `Cu(s)|Cu^(2+)(aq)||Cl^(-)(aq)|Cl^(2+)(g)|C(s)`
    B
    `Cl(s)|Cl^(-)(aq)|Cl_(2)(g)||Cu^(2+)(aq)|Cu(s)`
    C
    `Cu(s)|Cu^(2+)(aq)||Cl^(-)(aq)|Cl_(2)(g)`
    D
    `Cu(s)|Cu^(2+)(aq)||Cl_(2)(aq)|Cl^(-)(aq)`

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    A
    `5xx10^(6)`
    B
    `1.4xx10^(12)`
    C
    `7.4xx10^(12)`
    D
    `1.2xx10^(6)`
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