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Standard reduction electrode potential o...

Standard reduction electrode potential of `Zn^(2+)//Zn` is -0.76V`. This means:

A

`ZnO` can't be reduced to Zn by `H_(2)` under standard conditions.

B

Zn can't liberates `H_(2)` with concentrated acids

C

Zn is generally the anode in an electrochemical cell

D

Zn is generally the cathode in an electrochemical cell

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The correct Answer is:
A
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