Question

If the half cell reaction are given as 

i. Fe²⁺ (aq) + 2e → Fe(s); E° = -0.44 V 

ii. 2H⁺(aq) + 1/2 O₂ (g) + 2e → H₂O(l) E° = + 1.23 V 

The E° for the reaction is: 

(a) + 1.67 V 

(b) - 1.67 V 

(c) + 0.79 V 

(d) - 0.79 V

Answer 1

Correct option is : (a) + 1.67 V