Practical Chemistry

$\mathrm{K}_2\left[\mathrm{Hgl}_4\right]$ detects the following ion

An aqueous solution contains following ions: $\mathrm{Hg}_2^{2+}, \mathrm{Hg}^{2+}, \mathrm{Pb}^{2+}$ and $\mathrm{Cd}^{2+}$. On adding HCl , which of these will precipitate?

The reagent $\mathrm{NH}_4 \mathrm{Cl}$ and aqueous $\mathrm{NH}_3$ will precipitate :

Brown ring is made for

In the following reaction sequence in aqueous solution, the species $\text{X,}\text{Y}$ and $\text{Z}$ respectively, are…

The hottest region of Bunsen flame show in the figure below is

$\left(\text{X}\right)\overset{\text{KOH}}{\rightarrow\,}\left(\text{Y}\right)\operatorname{(gas turns red litmus…

How do you characterizes $PbCrO_{4}$ ?

A solution of a metal ion when treated with KI gives a red precipitate which dissolves in excess KI to give a colourless solution. Moreover, the solution of metal ion on treatment with a solution of cobalt (II)…

Which among following salts shows decrease in solubility with increase in temperature?

Which from following cations in their respective oxidation states develops colourless aqueous solution?

Phenol gives characteristic colouration with