Salt Hydrolysis

Which of the following salts will give a basic solution on hydrolysis? 

Which of the following salts with a concentration $0.1\mathrm{M}$ will give a basic solution?

If the ${\mathrm{pK}}_{\mathrm{a}}$ of acetic acid and ${\mathrm{pK}}_{\mathrm{b}}$ of dimethylamine are $4.76$ and $3.26$ respectively, the $\mathrm{pH}$ of dimethyl ammonium acetate solution is

Which among the following produces a basic aqueous solution?

$2.5 \mathrm{mL}$ of $\frac{2}{5}\mathrm{M}$ weak monoacidic base $({\mathrm{K}}_{\mathrm{b}}=1\times {10}^{-12}$ at ${25}^{\circ }\mathrm{C})$ is titrated with $\frac{2}{15}\mathrm{M} \mathrm{HCl}$ in water at  $25°\mathrm{C}$.  The concentration of $\left[{\mathrm{H}}^{+}\right]$ at equivalence point is $({\mathrm{K}}_{\mathrm{w}} =1\times {10}^{-14}$ at ${25}^{\circ }\mathrm{C})$.

If the blood contains ${\mathrm{C}\mathrm{O}}_2$ and ${\mathrm{H}\mathrm{C}\mathrm{O}}_3^{-}$, what is the ratio of conjugate base $\left(HC{O_3}^{-}\right)$ to acid $\left({\mathrm{H}}_2{\mathrm{C}\mathrm{O}}_3\right)$ to maintain the $\mathrm{p}\mathrm{H}$ of the blood equal to 7.4 ?

[Given: $\mathrm{p}{\mathrm{K}}_{{\mathrm{a}}_1\mathrm{ }}$of ${\mathrm{H}}_2{\mathrm{C}\mathrm{O}}_3=\mathrm{6.4]}$

Which of the following salts with a concentration $0.1\mathrm{M}$ will give a basic solution?

Which of the following salts will give a basic solution on hydrolysis? 

A $1.025 \mathrm{g}$ sample containing a weak acid, $\mathrm{HX}$ (molecular weight$=82 \mathrm{g} {\mathrm{mol}}^{-1}$) is dissolved in $60 \mathrm{mL}$ water and titrated with $0.25 \mathrm{M} \mathrm{NaOH}$. When half of the acid was neutralised, the $\mathrm{pH}$ was found to be $5.0$. At the equivalence point, the $\mathrm{pH}$ was $9.0$. The weight percentage (purity) of $\mathrm{HX}$ in the sample is (Nearest integer)

Aqueous solution of ${\mathrm{AlCl}}_3$ is acidic towards litmus while of $\mathrm{NaCl}$ is not. The correct reason behind this is

Determine the $\mathrm{pH}$ of $0.024 \mathrm{M}$ hydroxylamine hydrochloride solution. ( ${\mathrm{K}}_{\mathrm{b}}$ of hydroxyl amine is ${10}^{-8}$ )

A solution of $\mathrm{C}\mathrm{u}\mathrm{S}{\mathrm{O}}_4$ is

Ammonium acetate which is 0.01 M, is hydrolysed to 0.001 M concentration. Calculate the change in pH in 0.001 M solution, if initially $\mathrm{p}\mathrm{H}=\mathrm{p}{\mathrm{K}}_{\mathrm{a}}$

$\mathrm{p}\mathrm{H}$ of $0.05\mathrm{ }\mathrm{M}\mathrm{ }{\left({\mathrm{C}\mathrm{H}}_3\mathrm{C}\mathrm{O}\mathrm{O}\right)}_2\mathrm{C}\mathrm{a is\; -\; }$

The degree of hydrolysis of which of the following salt is independent of the concentration of salt solution ?

$\mathrm{H}\mathrm{A}$ is a weak acid and $\mathrm{B}\mathrm{O}\mathrm{H}$ is a weak base. For which of the following salts the extent of hydrolysis is independent on the concentration of the salt in its aqueous solution

If the equilibrium constant of $\mathrm{B}\mathrm{O}\mathrm{H}\rightleftarrows \mathrm{ }{\mathrm{B}}^{+}\mathrm{ }+$ ${\mathrm{O}\mathrm{H}}^{–}$ at $25°\mathrm{C}$ is $2.5\mathrm{ }\times \mathrm{ }{10}^{–6}$ , therefore equilibrium constant for neutralisation of $\mathrm{B}\mathrm{O}\mathrm{H}$ against strong acid $\left(\mathrm{H}\mathrm{C}\mathrm{l}\right)$ is-

A solution of ${\mathrm{C}\mathrm{u}\mathrm{S}\mathrm{O}}_4$ is

Dissociation constant of both ${\mathrm{C}\mathrm{H}}_3\mathrm{C}\mathrm{O}\mathrm{O}\mathrm{H}\mathrm{ }$and ${\mathrm{N}\mathrm{H}}_4\mathrm{O}\mathrm{H}\mathrm{ }$is $1.8\mathrm{ }\times \mathrm{ }{10}^{–5}$ at $25°\mathrm{C}$. The equilibrium constant for the reaction of $\mathrm{C}{\mathrm{H}}_3\mathrm{C}\mathrm{O}\mathrm{O}\mathrm{H}$ and ${\mathrm{N}\mathrm{H}}_4\mathrm{O}\mathrm{H}\mathrm{ }$will be

A $1.025 \mathrm{g}$ sample containing a weak acid $\mathrm{HA}$ (molecular weight $=82$) is dissolved on $60 \mathrm{mL}$ water and titrated with $0.25 \mathrm{M} \mathrm{NaOH}$. When half of the acid was neutralised, the $\mathrm{pH}$ was found to be $5.0$ and at the equivalence point, the $\mathrm{pH}$ is $9.0$. Calculate the weight percentage of $\mathrm{HA}$ in the sample.