Embibe Experts Solutions for Exercise 1: EXERCISE

The correct order of increasing solubility of $\mathrm{AgCl}$ in

(A) Water
(B) $0.1\mathrm{MNaCl}$
(C) $0.1{\mathrm{MBaCl}}_2$
(D) $0.1{\mathrm{MNH}}_3$

The solubility of $\mathrm{AgCl}$ is

If the ${\mathrm{K}}_{\mathrm{b}}$ value in the hydrolysis reaction ${\mathrm{B}}^{+}+{\mathrm{H}}_2\mathrm{O}\rightleftharpoons \mathrm{BOH}+{\mathrm{H}}^{+}$
is $1.0\times {10}^{-6}$, then the hydrolysis constant of the salt would be

Which of the following increasing order of $\mathrm{pH}$ of $0.1\mathrm{M}$ solution of the compound $\left(\mathrm{A}\right) {\mathrm{HCOONH}}_4$, $\left(\mathrm{B}\right) {\mathrm{CH}}_3{\mathrm{COONH}}_4$, $\left(\mathrm{C}\right) {\mathrm{CH}}_3\mathrm{COONa}$, $\left(\mathrm{D}\right) {\mathrm{NH}}_4\mathrm{Cl}$ is correct?

The dissociation constant of a weak acid $\mathrm{HA}$ and weak base $\mathrm{BOH}$ are $2\times {10}^{-5}$ and $5\times {10}^{-6}$ respectively. The equilibrium constant for the neutralization reaction of the two is (ignore hydrolysis of resulting salt)

${\mathrm{K}}_{\mathrm{sp}}$ of $\mathrm{Mg}(\mathrm{OH}{)}_2$ is $4.0\times {10}^{-12}$. The number of moles of ${\mathrm{Mg}}^{2+}$ ions in one litre of its saturated solution in $0.1\mathrm{MNaOH}$ is

If the solubility of ${\mathrm{Al}}_2{\left({\mathrm{SO}}_4\right)}_3$ is $\mathrm{S}$, then its solubility product is

Which of the following is correct for the solution of the salt of weak acid & weak base?