Chemistry : Organic Chemistry – Some Basic Principles and Techniques

Which method is best suited for the separation of constituents of a liquid mixture having three components if the volume of the mixture provided is very small?

Name a compound which does not contain halogen but gives a positive Beilstein test.

What is the principle of paper chromatography?

Name a nitrogenous compound which does not respond to Lassaigne's test. 

Name two methods of purification of organic compounds.

• Crystallisation
• Distillation
• Sublimation
• Chromatography

How would you extract oil from sunflower seed?

Name a compound which contains nitrogen but does not give ammonia on heating with soda lime. 

What is the purpose of fusing the organic compound with sodium metal before testing for N, S or halogen?