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Normal aluminimum electrode cupled with ...

Normal aluminimum electrode cupled with normal hydrogen electrode gives an emf of ` 1.66 V`. So the standard electrode potential of aluminimu is ,

A

`-1.66V`

B

`+1.66V`

C

`-0.83V`

D

`+0.83V`

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The correct Answer is:
B
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