Practical Chemistry

Phenol can be distinguished from ethyl alcohol using

In the brown ring test, the brown colour of the ring is due to

The metal hydroxide which is soluble in excess of ammonium hydroxide is

Phenol gives characteristic colouration with

Brown ring test is used for the detection of which radical?

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?

In the brown ring test, the brown colour of the ring is due to

When salt BA is treated with Conc. $\text{H}_2\text{SO}_4$ reddish brown gas is liberated. The aqueous solution of BA gives pale yellow precipitate with $\text{AgNO}_3$ solution. Which of the following anion…

In the detection of II group acid radical, the salt containing chloride is treated with concentrated sulphuric acid, the colourless gas is liberated. The name of the gas is

The group reagent $\mathrm{NH}_4 \mathrm{Cl}(\mathrm{s})$ and aqueous $\mathrm{NH}_3$ will precipitate which of the following ion?

Which of the following compound on heating gives $\mathrm{N}_{2} \mathrm{O}$ ?