Organic compound with oxygen and nitrogen
This classification accepted very quickly, but it was Lavoisier who first showed in 1784.
All compounds obtained from vegetable and the animal sources always contain at least carbon and hydrogen, and frequently, nitrogen and phosphorus.
Lavoisier, in spite of showing this close relationship between vegetable and animal products, still retained Lemery’s classification.
Lavoisier’s analytical work, however, stimulated further research in the direction. The result is much improved in technique, due to which Lemery’s classification had to modify.
Lemery had based his classification on the origin of the compound. Study it not found (undoubtedly due to the improved analytical method) that in the number of cases the same compound could be obtained from both vegetable and animal sources.
Thus, no difference existed between these two classes of compounds. It was no longer justifiable to consider them under separate headings. This lead to the reclassification of substances into two groups.
Organic compounds and inorganic compounds
- All those which could be obtained from vegetables and animals that is the substance that was produced by living organisms were classified as organic.
- All those substances which not prepared from a living organism were classified as inorganic.
Science goes day in the day with revel the information of compounds. But the modification of rules and classifications also changed.
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