Vital Force Theory

• Vital force theory

Organic compounds could be manufactured only by and within living things and these compounds could never be synthesized from inorganic materials.This theory was referred to as vital force theory.This theory was rejected by Friedrick Wohler when he obtained urea an organic compounds in the urine of mammals,from ammonium cyanate, a substance of know mineral origin.

• Modern definition of Organic Chemistry

  Organic chemistry is that branch of chemistry which deals with the study of compounds of carbon and hydrogen(Hdrocarbons) and their derivatves.
  
  

  • Explanation

       Since the synthesis of urea from ammonium cyanate, millions of orhanic compounds have been prepared and analyzed .All these compounds contain carbon as an essential element.Apart from carbon, most of the organic compounds also contain hydrogen.
                                            Other elements which may also be present include Oxygen,nitrogen,sulphur, etc.For historical and conventional reason a few of the carbon compounds such as carbonates,bicarbonates,etcare studied as inorgainc compounds.It also has been recognized that the chemical forces in organic compounds are similar to those, which exist,in inorganic compounds.Thus it was felt that organic chemistry should be redefined.

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