Answer :
Final answer:
Initially, organic compounds were thought to originate solely from living organisms due to the vital force theory. Friedrich Wöhler's synthesis of urea challenged this belief, showing organic compounds could be artificially created with inorganic materials.
Explanation:
Organic compounds were initially believed to only come from living organisms due to the vital force theory, which stated that only living systems could produce organic compounds. This belief was refuted by Friedrich Wöhler's synthesis of urea from inorganic starting materials in 1828, demonstrating that organic compounds could be artificially created. The characteristic feature of organic molecules is the presence of carbon as the principal element, bonded to hydrogen and other carbon atoms.
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