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What is the E(cell) of the given cell? ...

What is the `E_(cell)` of the given cell?
`Zn|Zn^(2+)(2 M)||Zn^(2+)(10 M)|Zn`

A

Zero

B

0.0206 V

C

5.00 V

D

Datavis insufficient

Text Solution

Verified by Experts

The correct Answer is:
B
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Knowledge Check

  • What is the EMF of the cell? Zn(s)|Zn^(2+)+(0.1M)||Sn^(2+)+(0.001M)||Sn(s) . Given E^(@)Zn^(2+)//Zn=0.76V,E_(Sn^(@2+)//Sn=-0.14V

    A
    0.62V
    B
    0.56V
    C
    1.12V
    D
    0.31V

  • For the cell, Zn|Zn^(2+)(1 M)||Cu^(2+)(1 M)|Cu,E_(cell)^@ is 1.10 V, E_(Cu^2+//Cu)^@=0.34 V and for the cell, Cu|Cu^(2+)(1 M)||Ag^(+)(1 M)|Ag,E_(cell)^@=0.46 V hence, E_(cell)^@ of the cell Zn|Zn^(2+)(1 M)||Ag^(2+)(1 M)|Ag is

    A
    - 0.40 V
    B
    + 0.04 V
    C
    + 0.30 V
    D
    + 1.56 V

  • Cell reaction for the cell Zn|Zn^(2+)(1.0M)||Cd^(2+)(1.0M)|Cd is given by

    A
    `CdrarrCd^(2+)+2e^(-)`
    B
    `Zn^(2+)rarrZn-2e^(-)`
    C
    `Cd+Zn^(2+)rarrZn+Cd^(2+)`
    D
    `Zn+Cd^(2+)rarrZn^(2+)+Cd`.

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