Ionic Equilibrium

Which among the following salt solutions is basic innature?

The $\mathrm{pH}$ of the solution containing $50\mathrm{mL}$ each of$0.10M$ sodium acetate and $0.01M$ acetic acid is [Given $\mathrm{pK}_{a}$ of $\mathrm{CH}_{3}\mathrm{COOH}=4.57$]

At $298K$, the solubility of silver chloride in water is $1.434\times\,10^{-3}gL^{-1}$. The value of $-\mathrm{logK}_{\mathrm{sp}}$ for silver chloride is (Given mass of Ag is $107.9g\mathrm{mol}^{-1}$, and mass of…

At $310K$, the solubility of $\mathrm{CaF}_{2}$ in water is $2.34\times\,10^{-3}g/100\mathrm{mL}$. The solubility product of $\mathrm{CaF}_{2}$ is ----$\times\,10^{-8}\left(\mathrm{mol}/L\right)^{3}$(nearest integer).…

$200\mathrm{mL}$ of$0.01\mathrm{MHCl}$ is mixed with $400\mathrm{mL}$ of $0.01\mathrm{MH}_{2}\mathrm{SO}_{4}$. The $\mathrm{pH}$ of the mixture is

$50\mathrm{mL}$ of $0\operatorname{.2}\,M$ ammonia solution is treated with $25\mathrm{mL}\mathrm{of}0.2M\mathrm{HCl}$. If $\mathrm{pK}_{b}$ of ammonia solution is $4.75$, the $\mathrm{pH}$of the mixture will be:

The dissociation constant of acetic is $x\times\,10^{-5}$. When $25\mathrm{mL}\mathrm{of}0.2M\mathrm{CH}_{3}\mathrm{COONa}$ solution is mixed with $25\mathrm{mL}\mathrm{of}0.02M\mathrm{CH}_{3}\mathrm{COOH}$ solution,…

Millimoles of calcium hydroxyide required to produce $100\mathrm{mL}$ of the aqueous solution of $\mathrm{pH}12$is $x\times\,10^{-1}$. The value of $x$ is _____ (Nearest integer). Assume complete dissociation.

A soft drink was bottled with a partial pressure of $\mathrm{CO}_{2}$ of3 barover the liquid at room temperature. The partial pressure of $\mathrm{CO}_{2}$ over the solution approaches a value of 30 bar when $44g$ of…

In order to prepare a buffer solution of $\mathrm{pH}5.74$, sodium acetate is added to acetic acid. If the concentration of acetic acid in the buffer is $1.0M,$the concentration of sodium acetate in the buffer is…

The solubility product of $\mathrm{PbI}_{2}$ is $8.0\times\,10^{-9}.$The solubility of lead iodide in $0.1$ molar solution of lead nitrate is $x\times\,10^{-6}\mathrm{mol}/L.$The value of $x$ is_________(Rounded off to…

The volume of $\mathrm{HCl}$, containing $73gL^{-1}$, required to completely neutralise $\mathrm{NaOH}$ obtained by reacting $0.69g$ of metallic sodium with water, is _____$\mathrm{mL}$. (Nearest Integer) (Given : molar…