Question

ix. Given standard reduction potential (Ered) for:
Fe + 20 - Fo
0.440 V
Fe +30 Fo
-0.036 V
the standard electrode potential for, Fe + - Fet is
a)-0.476
b) +0.476
c) 0.404
d) -0.404​

Answer 1

Answer:

Zn

2+

(aq)+2e

−

⇌Zn(s); −0.762 V

Cr

3+

(aq)+3e

−

⇌Cr(s); −0.74 V

2H

+

(aq)+2e

−

⇌H

2

(g); +0.00 V

Fe

3+

(aq)+e

−

⇌Fe

2+

(aq); +0.77 V