Question

The rusting of iron takes place as follows $Fe^{2+} + 2e^- \longrightarrow Fe(s)$
$2H^+ + 2e^- + 1/2 \ O_2 \longrightarrow H_2O(l)$ ;E° = +1.23 V
; E° = -0.44 V
Calculate $\Delta G^0$ for the net process
(a) -322 kJ mol⁻¹
(b) -161 kJ mol⁻¹
(c) -152 kJ mol⁻¹
(d) -76 kJ mol⁻¹

Answer 1

b ois the correct answer