The concentration of dissolved Oxygen in water for growth of fish should be more than ppm and Biochemical Oxygen Demand in clean water should be...

Which one among the following metals is the weakest reducing agent ?

Match List I with List II

A. Ammonium salts produce haze in atmosphere.
B. Ozone gets produced when atmospheric oxygen reacts with chlorine radicals.
C. Polychlorinated biphenyls act as...

The total change in the oxidation state of manganese involved in the reaction of $\mathrm{KMnO}_4$ and potassium iodide in the acidic medium is $\_\_\_\_$ .

A metal surface of 100 cm2 area has to be coated with nickel layer of thickness 0.001 mm. A current of 2A was passed through...

In an electrochemical reaction of lead, at standard temperature, if $\mathrm{E}_{\left(\mathrm{Pb}^{2+} / \mathrm{Pb}\right)}^0=\mathrm{m}$ Volt and $\mathrm{E}_{\left(\mathrm{Pb}^{4+} / \mathrm{Pb}\right)}^0=\mathrm{n}$ Volt, then the value of $...

$\mathrm{FeO}_4^{2-} \xrightarrow{+2.2 \mathrm{~V}} \mathrm{Fe}^{3+} \xrightarrow{+0.70} \mathrm{Fe}^{2+} \xrightarrow{-0.45} \mathrm{Fe}^0$
$\mathrm{E}_{\mathrm{FeO}_4^{2-} / \mathrm{Fe}^{2+}}^\theta$ is $\mathrm{x} \times 10^{-3} \mathrm{~V}$
The value of x is ____.

The reaction Ea$y occurs in which of the given galvanic cell. $$ \frac{1}{2} \mathrm{H}_2(\mathrm{~g})+\mathrm{AgCl}(\mathrm{~s}) \rightleftharpoons \mathrm{H}^{+}(\mathrm{aq})+\mathrm{Cl}^{-}(\mathrm{aq})+\mathrm{Ag}(\mathrm{~s}) $$ occurs in which of the given galvanic cell.|

The standard electrode potential of M+/M in aqueous solution does not depend on