List of top Chemistry Questions on Methods Of Purification Of Organic Compounds asked in KEAM

An organic compound is heated with \(Na_2O_2\) then boiled with \(HNO_3\). The solution is then treated with ammonium molybdate. The yellow precipitate obtained is due to the presence of the element
When 0.25 g of an organic compound is completely oxidised with excess oxygen, 0.22 g of \(CO_{2}\) is produced. What is the percentage of carbon in the compound?
IUPAC name of $(CH_3)_3C-CH_2Br$ is
In Carius method, $0.40\,g$ of an organic compound gave $0.188\,g$ of $AgBr$. The percentage of bromine in the compound is (Atomic mass of Ag = 108 g mol$^{-1}$ and Br = 80 g mol$^{-1}$)
Match the following
Methyl chloride - Antiseptic
Chloroform - Metal washing
Iodoform - Propellant
\( \text{CCl}_4 \) - Solvent for \( \text{I}_2 \)
The technique is used to purify liquid having very high b.p and decompose at or below this boiling point is
Which of the following technique is used to separate chloroform and aniline?
‘Layer Test’ is used to identify
If the boiling point difference between the two liquids is not much, then ________ method is used to separate them.