Chemistry - PRACTICAL ORGANIC CHEMISTRY Question with Solution | TestHub

In fractional distillation, the vapors obtained after passing through fractionating column are richer in higher boiling point component.

In Dumas method to estimate \% nitrogen, the mixture of gases is collected over an aqueous solution of KOH to absorb ${\mathrm{N}}_2$ gas.

Paper chromatography is an example of partition chromatography.

To detect phosphorous in an organic compound, the compound is heated with ${\mathrm{Na}}_2{\mathrm{O}}_2$ / Fuming ${\mathrm{HNO}}_3$ to oxidise phosphorous to phosphate.