For the given cell
${\rm{F}}{{\rm{e}}^{2 + }}_{\left( {{\rm{aq}}} \right)} + {\rm{Ag}}_{\left( {{\rm{aq}}} \right)}^ + \to {\rm{F}}{{\rm{e}}^{3 + }}_{\left( {{\rm{aq}}} \right)} + {\rm{A}}{{\rm{g}}_{\left( {\rm{s}} \right)}}$
The...

$\text{FeO}_{4}^{{2-}}\xrightarrow{{+2.0~\text{V}}}\text{F}{{\text{e}}^{{3+}}}\xrightarrow{{0.8~\text{V}}}\text{F}{{\text{e}}^{{2+}}}\xrightarrow{{-0.5~\text{V}}}\text{F}{{\text{e}}^{0}}$
In the above diagram, the standard electrode potentials are given in volts (over the arrow). The value of ${{\text{E}}_{{\text{FeO}_{4}^{{2-}}/\text{F}{{\text{e}}^{{2+}}}}}}$ is

Which of the following electrolyte can be used to obtain ${{\rm{H}}_2}\;{{\rm{S}}_2}{{\rm{O}}_8}$ by the process of electrolysis?

A solution of aluminium chloride is electrolysed for 30 minutes using a current of 2 A . The amount of the aluminium deposited at the...

Given below are two statements :
Statement (I): Corrosion is an electrochemical phenomenon in which pure metal acts as an anode and impure metal...