The branch of Chemistry which deals with compounds of carbon and hydrogen i.e. hydrocarbons and their derivatives is called Organic Chemistry.
Lavoisier was the first scientist who stated that carbon and hydrogen are the essential constituents of organic componds.
Vital force theory : A Sweedish chemist Berzelius in 1815 stated that organic compounds can’t be prepared in laboratory because some mysterious forces are responsible for their formation. This theory was called vital force theory.
1st synthesized compound : Wohler prepared the first organic compound urea in laboratory and then the vital force theory was rejected.