Question

The Gibbs energy for the decomposition of Al₂O₃ at 500°C
is as follows :
2/3 Al₂O₃ → 4/3 Al +O₂, ∆ᵣG = +966kJmol⁻¹
The potential difference needed for electrolytic reduction of
Al₂O₃ at 500°C is at least
(a) 4.5 V (b) 3.0 V
(c) 2.5 V (d) 5.0 V

Answer 1

$\huge{\boxed{\mathfrak\pink{\fcolorbox{red}{purple}{Mr\:Awesome}}}}$

❤.answer is 2.5v

Answer 2

$\huge{\bold{\red{\star{\pink{Heya !}}}}}$

Option [C] is the answer ✔️