Standard electrode potentials for a few half cells are mentioned below : $\mathrm{E}_{\mathrm{Cu}^{2+} / \mathrm{Cu}}^{\circ}=0.34 \mathrm{~V}, \mathrm{E}_{\mathrm{Zn}^{2+} / \mathrm{Zn}}^{\circ}=-0.76 \mathrm{~V}$ $...

The standard reduction potential values of some of the p-block ions are given below. Predict the one with the strongest oxidising capacity.

The molar conductivity of a weak electrolyte when plotted against the square root of its concentration, which of the following is expected to be observed...

For a ${\rm{Mg}}\left| {{\rm{M}}{{\rm{g}}^{2 + }}({\rm{aq}})} \right|\left| {{\rm{A}}{{\rm{g}}^ + }({\rm{aq}})} \right|{\rm{Ag}}$ the correct Nernst Equation is :

Given below is the plot of the molar conductivity vs $\sqrt {{\rm{ concentration }}}$ for KCl in aqueous solution.

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...