The reduction potential of hydrogen half–cell will be negative if:
p(H2) = 2 atm and [H+] = 2.0 M
p(H2) = 1 atm and [H+] = 2.0 M
p(H2) = 1 atm and [H+] = 1.0 M
p(H2) = 2 atm and [H+] = 1.0 M
Next Question
The half cell reaction, with its standard reduction potentials are:(i) Pb2++ 2e– → Pb (E° = –0.13 V)
(ii) Ag++ e– → Ag (E° = +0.80 V)
Which ofthe following reactions will occur?