In: Chemistry
Which of these redox reactions do you expect to occur spontaneously in the forward direction
Standard Electrode Potentials at 25 ?C |
E?(V)
Ni2+(aq)+2e? ?Ni(s) -0.23
Zn2+(aq)+2e? ?Zn(s) -0.76
Cd2+(aq)+2e? ?Cd(s) -0.40
Co2+(aq)+2e? ?Co(s) -0.28
Pb2+(aq)+2e? ?Pb(s) -0.13
Fe2+(aq)+2e? ?Fe(s) -0.45
Al3+(aq)+3e? ?Al(s) -1.66
Ag+(aq)+e? ?Ag(s) 0.80
Cr3+(aq)+3e? ?Cr(s) -0.73
Mn2+(aq)+2e? ?Mn(s) -1.18
Check all that apply.
a) Cr(s)+3Ag+(aq)?Cr3+(aq)+3Ag(s) |
b) Ni(s)+Pb2+(aq)?Ni2+(aq)+Pb(s) |
c) Fe2+(aq)+Cd(s)?Fe(s)+Cd2+(aq) |
d) Cd2+(aq)+Co(s)?Co2+(aq)+Cd(s) |