Which of the following metal(s) form NO with dil.HNO3(20%)?
Given: Fe(s)→Fe2++2e−;Eo=+0.44V
Pb(s)→Pb2++2e−;Eo=+0.13V
Ag+e−→Ag;Eo=+0.8V
Cu2+2e−→Cu;Eo=+0.34V
Which of the following metals will oxidise iron?
a) Ag
b) Cu
c) Pb
d) None of these