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The standard reduction potential for Fe^...

The standard reduction potential for `Fe^(2+) | Fe` and `Sn^(2+) | Sn` electrodes are `-0.44V` and` -0.14V` respectively. For the cell reaction, `Fe^(2+)+Sn rarr Fe +Sn^(2+)`, the standard emf is :

A

0.30V

B

-0.30V

C

0.58V

D

-0.58V

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • The standard reduction potential for Fe^(2+)[Fe and Sn^(2+)] Sn electrodes are -0.44V and -0.44V and -0.14V respectively. For the cell reaction, Fe^(2+)+Sn rarr Fe +Sn^(2+) , the standard emf is :

    A
    `+0.30V`
    B
    `0.58V`
    C
    `+0.58 V`
    D
    `-0.30V`

  • The standard reduction potential for Fe^(2+) | Fe| and Sn^(2+) | Sn An electrodes are -0.44 V and -0.14V respectively .For the cell reaction , Fe^(2+) + Sn to Fe + Sn(2+) , the standard EMF is

    A
    0.30V
    B
    0.58V
    C
    0.58V
    D
    -0.30V.

  • The standard reduction potentials of metal electrodes A,B,C and D are +0.14V,+0.34V,-0.74 V and -0.4V respectively, Which is the best reducing agent :

    A
    A
    B
    B
    C
    C
    D
    D

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