ORGANIC CHEMISTRY AND COMPOUNDS BY PAKONE.COM

 ORGANIC CHEMISTRY AND COMPOUNDS

Organic chemistry (Based on origin)

1. The study of organic compounds which are obtained from living organisms is called Organic chemistry.

Organic compounds (Based on origin)

1. The compounds which are obtained from living organisms are called Organic compounds.

Rejection

• These definitions were rejected when Fredric wohler made an organic compound Urea from an organic compound Amonium cyanide .

Organic chemistry (Based on composition)

    2. The study of those compounds in which Carbon is present as an essential element are called organic compounds.

Organic compounds (Based on composition)

   2.The compounds in which Carbon is present as an essential element are called Organic compounds.

Rejection
These definitions were rejected when some compounds were found in which Carbons plays its role their properties are totally different than that of Organic compounds.
e.g carbon dioxide,carbon disulphide,carbonates,bicarbonates,metal carbides e.t.c.

Organic chemistry (Modern definition)

  3.The study of Hydrocarbons and their derivatives is called Organic chemistry.

Organic compounds (Modern definition)

 3.The compounds which contain only Carbon and Hydrogen are called organic compounds.

Point to be ponder
Hydrazene is an organic although carbon is not present in it.