Embibe Experts Solutions for Chapter: Equilibrium, Exercise 1: Assam CEE 2016

Passing ${\mathrm{H}}_2\mathrm{S}$ gas into a mixture of ${\mathrm{Mn}}^{+2},{\mathrm{Ni}}^{2+},{\mathrm{Cu}}^{2+}$ and ${\mathrm{Hg}}^{2+}$ ions in an acidified aqueous solution precipitate

An acid solution of $\mathrm{pH}=6$ is diluted $1000$ times. The $\mathrm{pH}$ of the final solution becomes

The equilibrium constant for the reaction ${\mathrm{N}}_2+3{\mathrm{H}}_2\rightleftharpoons 2{\mathrm{NH}}_3$ is ${\mathrm{K}}_{\mathrm{p}}$. The equilibrium constant for the reaction ${\mathrm{NH}}_3\rightleftharpoons \frac{1}{2}{ \mathrm{N}}_2+\frac{3}{2}{\mathrm{H}}_2$ will be

The negative logarithm of dissociation constant of ${\mathrm{NH}}_4\mathrm{OH}$ is $4.745$. A buffer solution contains $0.035$ mole  ${\mathrm{NH}}_4\mathrm{OH}$ and $0.35$ mole ${\mathrm{NH}}_4\mathrm{Cl}$ per litre. The $\mathrm{pH}$ of the buffer solution is

The solubility product of ${\mathrm{PbCl}}_2$ at $298 \mathrm{K}$ is $32\times {10}^{-6}$. The solubility of ${\mathrm{PbCl}}_2$ is

The solution having highest $\mathrm{pH}$ is

$0.004 \mathrm{M}$ ${\mathrm{Na}}_2{\mathrm{SO}}_4$ is isotonic with $0.01 \mathrm{M}$ glucose solution. The degree of dissociation of ${\mathrm{Na}}_2{\mathrm{SO}}_4$ is

Which of the following statements is correct?