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Stadard reduction electrode potentials o...

Stadard reduction electrode potentials of three metals A,B and C are respectively `+0.5V, -3.0V` and `-1.2V`. The reducing powers of these metals are:

A

`AgtBgtC`

B

`CgtBgtA`

C

`AgtCgtB`

D

`BgtCgtA`

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The correct Answer is:
D
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