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For 2/3Al(2)O(3)rarr 4/3Al+O(2)DeltaG=-9...

For `2/3Al_(2)O_(3)rarr 4/3Al+O_(2)DeltaG=-966 KJ at 500^(@)C`
The potential difference needed fo relectrolytic reduction of `Al_(2)O_(3)` at `500^(@)C` is at least

A

2.5 V

B

5.0 V

C

4.5 V

D

3.0 V

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The Gibbs energy for the decomposition of Al_(2)O_(3) at 500^(@)C is as follows: (2)/(3)Al_(2)O_(3) rarr (4)/(3)Al + O_(2), Delta_(r)G = +966kJ mol^(-1) The potential difference needed for electrolytic reduction of Al_(2)O_(3) at 500^(@)C is at least:

The Gibbs energy for the decomposition of Al_(2)O_(3) at 500^(@)C is as follows: (2)/(3)Al_(2)O_(3) rarr (4)/(3)Al + O_(2), Delta_(r)G = +966kJ mol^(-1) The potential difference needed for electrolytic reeduction of Al_(2)O_(3) at 500^(@)C is at least:

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AAKASH INSTITUTE ENGLISH-ELECTROCHEMISTRY -Assignment (SECTION A) Objective Type Questions (One option is correct)
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