The latest technique for isolation, purification and separation of organic compounds is -
1. Crystallisation
2. Distillation
3. Sublimation
4. Chromatography
The method that can be used to separate two compounds with different solubilities in a solvent is-
1. Distillation
2. Isolation
3. Fractional crystallization
4. Filtration
Method that can be used to purify the liquid that decomposes on boiling is :
1) Fractional distillation
2) Distillation under reduced pressure
3) Steam distillation
4) Distillation
Halogen in an organic compound that can be detected by -
1. | Duma's method | 2. | Carius method |
3. | Kjedahl's method | 4. | Chromatography |
The purification method based on the difference in solubilities of the compound and the impurities in a solvent is -
1. Crystallisation
2. Distillation
3. Chromatography
4. Isolation
An organic liquid vaporises at a temperature___________ its boiling point in steam distillation.
1. Above
2. Below
3. Equal to
4. None of the above