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 $\mathrm{CH}_{3}\mathrm{COOH}=4.57$]

A mixture of $100m\mathrm{mol}$of $\mathrm{Ca}(\mathrm{OH})_{2}$ and $2g$ of sodium sulphate was dissolved in water and the volume was made up to $100\mathrm{mL}.$What is the mass of calcium sulphate formed and the…

If $K_{\mathrm{sp}}$ of $\mathrm{Ag}_{2}\mathrm{CO}_{3}$ is $8\times\,10^{-12}$ , the molar solubility of $\mathrm{Ag}_{2}\mathrm{CO}_{3}$ in $0\operatorname{.1}\,M\mathrm{AgNO}_{3}$ is:

Which of the following salts is the most basic in aqueous solution?

$20\mathrm{ml}$ of $\text{0.1 M H}_{2}\mathrm{SO}_{4}$ solution is added to $30\mathrm{mL}$ of $0\operatorname{.2}\,M\mathrm{NH}_{4}\mathrm{OH}$ solution. The $\mathrm{pH}$ of the resultant mixture is:…

Which of the following is a Lewis acid?

Which of the following is a Lewis acid?

Two solutions, $A$ and $B,$ each of $100L$ was made by dissolving $4g$ of $NaOH$ and $9.8g$ of $H_{2}SO_{4}$ in water, respectively. The $pH$ of the resultant solution obtained from mixing $40L$ of solution $A$ and…

$K_{a}$ for $\mathrm{CH}_{3}\mathrm{COOH}$ is $1.8\times\,10^{-5}$ and $K_{b}$ for $\mathrm{NH}_{4}\mathrm{OH}$ is $1.8\times\,10^{-5}.$The $\mathrm{pH}$ of ammonium acetate solution will be

The solubility of $\mathrm{Ca}\left(\mathrm{OH}\right)_{2}$ in water is : [Given : The solubility product of $\mathrm{Ca}\left(\mathrm{OH}\right)_{2}$ in water $=5.5\times\,10^{-6}$]

Consider the dissociation equilibrium of the following weak acid $\mathrm{HA} \rightleftharpoons \mathrm{H}^{+}(\mathrm{aq})+\mathrm{A}^{-}(\mathrm{aq})$ If the pKa of the acid is 4, then the pH of 10 mMHA solution is…