Organic Chemist...

For the purification, isolation and separation of organic compounds, the latest technique followed is

Fractional distillation is a process by which the separation of different fractions from mixture of solution is carried by making use which of the following property of the fractions ?

Which of the substances is purified by sublimation ?

A mixture of camphor and benzoic acid can be separated by

Which of the following reagents will be fruitful for separating a mixture of nitrobenzene and aniline?

The sodium extract of an organic compound on acidification with acetic acid and addition of lead acetate solution gives a black precipitate. The organic compound contains

In estimation of nitrogen, by Kjeldahl's method, CuSO₄ acts as an

On complete combustion, 0.246 g of an organic compound gives 0.198 g of CO₂ and 0.1014 g of H₂O. The ratio of carbon and hydrogen atoms in the compound is

An oxygen containing organic compound was found to contain 52% carbon and 13% hydrogen. Its vapour density is 23. The compound reacts with sodium metal to liberate hydrogen. A functional isomer of this compound is

1.2 g of an organic compound on Kjeldahl station liberates ammonia which consumes 30 cm² of 1 N HCl. The percentage of nitrogen in the organic compound is