Embibe Experts Solutions for Chapter: Qualitative Analysis, Exercise 2: EXERCISE-2

Of the following oxides, all are soluble in $\mathrm{NaOH}\left(\mathrm{aq}\right)$ except

Which of the following cations will turn a borax bead blue in an oxidising flame?

On reaction with dilute ${\mathrm{H}}_2{\mathrm{SO}}_4$, which of the following salts will give out a gas that turns an acidified dichromate paper green?

Which of the following ions can be separated by using dilute $\mathrm{HCl}$?

Which of the following ions can be separated by using ${\mathrm{H}}_2\mathrm{S}$ in the presence of dilute $\mathrm{HCl}$?

Which of the following ions can be separated by using ${\mathrm{NH}}_4\mathrm{Cl}$ and ${\mathrm{NH}}_4\mathrm{OH}$?

Which of the following mixtures of ions in solution can be separated by using an ${\mathrm{NH}}_3$ solution?

Which of the following mixtures of ions in solution can be separated by using dilute ${\mathrm{H}}_2{\mathrm{SO}}_4$?