Electrochemistr...

The standard reduction potentials of Zn²⁺|Zn, Cu²⁺|Cu and Ag⁺|Ag are respectively - 0.76, 0.34 and 0.8 V. The following cells were constructed .
I. Zn|Zn²⁺||Cu²⁺|Cu
II. Zn|Zn²⁺||Ag⁺|Ag
III. Cu|Cu²⁺||Ag⁺|Ag
what is the correct order of E^o_cell of these cell ?

The rusting of iron takes place as follows
2H⁺ + 2e^- + 1/2 O₂ → H₂O (l); E^o = +1.23 V
Fe²⁺ + 2e^- → Fe(s); E^o = - 0.44 V
Calculate ∆G^o for the net process.

The standard reduction potential of the reaction ,
H₂ O = e^- → 1/2 H₂ + OH at 298 K is

The oxidation potential values of A , B ,C and D are -0.03, + 0.108 V, - 0.07 V and + 0.1 V respectively. The non-spontaneous cell reaction takes place between

The hydrogen electrode is dipped in a solution of pH 3 at 25°C. The potential would be (the value of 2.303 RT / F is 0.059 V)

The standard electrode potential is measured by

Which of the following expression is correct?

The standard reduction potential of Zn and Ag in water at 298 K are, Zn²⁺ + 2e^- ⇌ Zn; E^o = -0.76 V and Ag⁺ + e^- ⇌ Ag; E^o = +0.80 V. Which of the following reactions take place?

A standard hydrogen electrode has zero electrode potential because

During charging of lead storage battery, the reaction occurring at the anode is