The Gibbs energy for the decomposition of {\Al}_2 {\O}_3 at 500^{\circ} {\C} is as follows : \frac{2}{3} {\Al}_2 {\O}_3 \to \frac{4}{3} {\Al}+ {\O}_2, ∆_r {\G}=+966 {\kJ} {\mol}^{-1} The potential difference needed for electrolytic reduction of {\Al}_2 {\O}_3 at 500^{\circ} {\C} is at least [AIEEE 2010]

AIEEE 2010 Solved Paper

Section: Chemistry

Question : 19 of 89

Marks: +1, -0

The Gibbs energy for the decomposition of Al2O3 at 500∘C is as follows :
‌

Al2O3→‌

‌Al+O2,∆rG=+966‌kJ‌mol−1
The potential difference needed for electrolytic reduction of Al2O3 at 500∘C is at least

[AIEEE 2010]

Go to Question:

Prev Question

Next Question