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On the basis of information available from the reaction
`(4)/(3)Al+O_(2) rarr (2)/(3)Al_(2)O_(3),DeltaG = -827kJ mol^(-1)` of `O_(2)`, the minimum emf required to carry out of the electrolysis of `Al_(2)O_(3)` is `(F=96,500 C mol^(-1))`

A

6.42 V

B

8.56 V

C

2.14 V

D

4.28 V

Text Solution

Verified by Experts

The correct Answer is:
C
`DeltaG=-nFE_("cell")^(0)`
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