Consider the following standard reduction potentials.
2H + 2e- → H2 E = 0.00 V
Sn2+ + 2e- → Sn E = -0.14 V
Cd2+ + 2e- → Cd E = -0.40 V
Which pair of substances will react spontaneously?
1
Sn with Cd2+
2
Cd2 with H-
3
Cd with H2
4
Cd with Sn2
Consider the following standard reduction potentials.
2H + 2e- → H2 E = 0.00 V
Sn2+ + 2e- → Sn E = -0.14 V
Cd2+ + 2e- → Cd E = -0.40 V
Which pair of substances will react spontaneously?