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Standard reduction potential for Al^(3+)...

Standard reduction potential for `Al^(3+) // Al, Fe_(2+)//Fe, Br//Br^(-)` are – 1.66 V, – 0.45 V, 1.09 V. Order of their reducing capacity is

A

`Al gtFegtBr`

B

`BrgtFegtAl`

C

`AlgtBrgtFe`

D

`FegtAlgtBr`

Text Solution

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The correct Answer is:
A
Properties of ionic solid
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Knowledge Check

  • The standard reduction potentials of the elements A,B and C are +2.73 V, -1.85 V ande -1.36 V respectively. The order of their reducing power is

    A
    `B gt C gt A`
    B
    `A gt B gt C`
    C
    `C gt B gt A`
    D
    `B gt A gt C`

  • The standard reduction potentials of the elements A,B and C are +2.73 V, -1.85 V ande -1.36 V respectively. The order of their reducing power is

    A
    `B gt C gt A`
    B
    `A gt B gt C`
    C
    `C gt B gt A`
    D
    `B gt A gt C`

  • The standard reduction potential of four elements A, B, C, D, are -3.05V. -1.66 V, - 0.40 V, +0.80V. The highest electropositivity in aqueous media among these will be shown by:

    A
    A
    B
    B
    C
    C
    D
    D