Systematic Analysis of Cationic Radicals

The reaction of $\mathrm{Pb}{\left({\mathrm{NO}}_3\right)}_2$ and $\mathrm{NaCl}$ in water produces a precipitate that dissolves upon the addition of $\mathrm{HCl}$ of appropriate concentration. The dissolution of the precipitate is due to the formation of

Find the number of compounds which have yellow colour precipitate from the given compounds:

${\mathrm{PbCl}}_2, {\mathrm{Hg}}_2{\mathrm{Cl}}_2, \left[\mathrm{Ag}{\left({\mathrm{NH}}_3\right)}_2\right]\mathrm{Cl}, {\mathrm{SnCl}}_2, {\mathrm{HgI}}_2, \mathrm{PbS}$

Which of the following is/are produced when lead dioxide is added to a boiling solution of manganous sulphide containing nitric acid ?

A colourless water soluble solid $\text{'}\mathrm{X}\text{'}$ on heating gives equimolar quantities of $\mathrm{Y}$ and $\mathrm{Z}$ . $\mathrm{Y}$ gives dense white fumes with $\mathrm{HCl}$ and $\mathrm{Z}$ does so with ${\mathrm{NH}}_3.\mathrm{Y}$ gives brown precipitate with Nessler's reagent and $\mathrm{Z}$ gives white precipitate with nitrates of ${\mathrm{Ag}}^{+},{\mathrm{Pb}}^{2+}$ and ${\mathrm{Hg}}^{+}·\text{'}\mathrm{X}\text{'}$ is:

${\mathrm{Z}\mathrm{n}\mathrm{C}\mathrm{l}}_2$ reacts with excess of ${\mathrm{N}\mathrm{H}}_3$ solution to produce which of the folloing?

Which of the following are produced when ${\mathrm{Z}\mathrm{n}\mathrm{C}\mathrm{l}}_2$ reacts with excess of ammonia solution?

Therefore $\left(\mathrm{X}\right)$ is -

Name the metal which reacts with sodium hydroxide solution, liberating hydrogen gas.

A white gelatinous precipitate is formed when this compound reacts with sodium hydroxide.

The pair of ions that can not be separated by ${\mathrm{H}}_2\mathrm{S}$ in the presence of dilute hydrochloric acid are

When ammonia gas is passed through Nessler's solution the colour becomes-

_____ and _____ ions give white precipitates with $\text{NaOH}$ solution which are soluble in excess of the reagent. 

Which of the following sulphide would dissolve in hot and concentrated nitric acid?

Which of the following sulphides is buff-coloured precipitate?

Which of the following cations, will be precipitated when ${\mathrm{H}}_2\mathrm{S}$is passed with ${\mathrm{NH}}_3$?

Which of the following sulphide would dissolve in hot and concentrated nitric acid?

Name the probable cation present in the following observation:

White precipitate insoluble in ${\mathrm{NH}}_4\mathrm{OH}$ but soluble in $\mathrm{NaOH}$.

The colour of precipitate formed when sodium hydroxide is added to a solution of ferric chloride is _____.

The addition of an excess of ammonium chloride ammonia buffer to a solution containing nitrates of $\mathrm{Al}, \mathrm{Bi}, \mathrm{Mg}$ and $\mathrm{Zn}$ will precipitate hydroxides of

A white gelatinous precipitate is formed when this compound reacts with sodium hydroxide.