Question

1. Consider the given data :
Half cell
reaction
Standard reduction
potential (Eº voltas)
=
133
1. Cr,o- + 14H+ + 6
2Cr3+ + 7H20
II. Cr3+ + 38 = Cr
-0.74
III. Cut + e - Cu
0.52
IV. Cu²+ + 2e → Cu
0.34
The numerical value of the standard cell potential
for the reaction
2Cr(s) + 3 Cu²+(aq) + 2Cr3+ (aq) + 3Cu(s) is
(a) - 1.08 V (6) -0.40 V
(c) 1.08 V
(d) 2.50 V​

Answer 1

Answer:

a is the correct answer which is-1.08