1. Pure Substance & mixture PURE SUBSTANCE MIXTURE • Pure substance consists of a single type of substance . • Mixture consists of two or more pure...

Particle Nature of Matter Anything that occupies space and has mass and is felt by senses is called matter. Matter is the form of five basic elements the Panch tatva – air , earth ,fire , sky and water. Characteristics of particles of...

Medicines or Drugs Chemicals which may be used for the treatment of diseases and for reducing the suffering from pain are called medicines or drugs. The branch of science which makes use of chemicals for the treatment of disseases [therapeutic...

Biomolecules are the organic compounds which form the basis of life, i.e., they build up the living system and responsible for their growth and maintenance. The sequence that relates biomolecules to living organism is Biomolecules →...

The word polymer has a Greek origin. which means many units (parts). Polymer is defined as a chemical substance of a high molecular mass formed by the combination of a large number of simple molecules, called monomers....

Amines constitute an important class of organic compounds derived by replacing one or more hydrogen atoms ofNH 3 molecule by alkyl/aryl group(s). In the IUPAC system, the amines are regarded as alkanamines, e.g., Structure The...

In aldehydes, the carbonyl group ( )C=O) is bonded to carbon and hydrogen, while in the ketones, it is bonded to two carbon atoms Nature of Carbonyl Group The carbon and oxygen of the carbonyl group are Sp2 hybridised and the carbonyl...

Alcohols and Phenols Alcohols and phenols are formed when a hydrogen atom in hydrocarbon, aliphatic and aromatic respectively, is replaced by hydroxyl group (-OR group). Classification of Alcohols and Phenols In alcohols, -OR group is...

The replacement of hydrogen atom(s) in hydrocarbon, aliphatic or aromatic, by halogen atom(s) results in the formation of alkyl halide (haloalkane) and aryl halide (haloarene), respectively. Classification of Halogen Derivatives On the basis...

Coordination compounds are those addition molecular compounds which retain their identity in solid state as well as in dissolved state. In these compounds. the central metal atom or ion is linked by ions or molecules with coordinate bonds. e.g.,...