The conductivity of a weak acid HA of concentration $0.001 \mathrm{~mol} \mathrm{~L}^{-1}$ is $2.0 \times 10^{-5} \mathrm{~S} \mathrm{~cm}^{-1}$. If $\Lambda_{\mathrm{m}}^{\circ}(\mathrm{HA})=190 \mathrm{~S} \mathrm{~cm}^2 \mathrm{~mol}^{-1}$, the ionization...

The product obtained from the electrolytic oxidation of acidified sulphate solutions, is :

Consider the reaction $\mathrm{N}_2 \mathrm{O}_4(\mathrm{~g}) \rightleftharpoons 2 \mathrm{NO}_2(\mathrm{~g})$. The temperature at which $\mathrm{KC}=20.4$ and $\mathrm{K}_{\mathrm{P}}=600.1$, is $\_\_\_\_$ K. (Round off to the Nearest Integer)| [Assume...

A KCl solution of conductivity $0.14 \mathrm{~S} \mathrm{~m}^{-1}$ shows a resistance of $4.19 \Omega$ in a conductivity cell. If the same cell is filled with...

Which of the following statement(s) is (are) incorrect reason for eutrophication ?
(A) excess usage of fertilisers
(B) excess usage of detergents
(C) dense plant...

The molar conductivities at infinite dilution of barium chloride, sulphuric arid and hydrochloric acid are 280,860 and $426 \mathrm{Scm}^2 \mathrm{~mol}^{-1}$ respectively. The molar conductivity at...

The anodic half-cell of lead-acid battery is recharged using electricity of 0.05 Faraday. The amount of $\mathrm{PbSO}_4$ electrolyzed in g during the process is (Molar...

A $5.0 \mathrm{~m} \mathrm{~mol} \mathrm{dm}^{-3}$ aqueous solution of KCl has a conductance of 0.55 mS when measured in a cell constant $1.3 \mathrm{~cm}^{-1}$. The molar...

The magnitude of the change in oxidising power of the $\mathrm{MnO}_4^{-} / \mathrm{Mn}^{2+}$ couple is $\mathrm{x} \times 10^{-4} \mathrm{~V}$, if the $\mathrm{H}^{+}$ concentration is decreased...

Given below are two statements :-
Statement I : The value of the parameter "Biochemical Oxygen Demand (BOD)" is important for survival of aquatic life.
...