Asked in PMC Practice Test 16 (2021) 2021Moderate

Vital Force Theory was proposed by?

Correct answer: B. Berzelius

  • A. Wohler
  • B. Berzelius
  • C. Kesley
  • D. Lyll

Explanation

According to the vital source theory, organic compounds must have their origin in living organisms and could not be synthesized by inorganic compounds. It was proposed by Jöns Jacob Berzelius in the 19th century.

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About Classification of Organic Compounds

Organic compounds are classified by carbon skeleton into open-chain, branched-chain and cyclic compounds, including homocyclic and heterocyclic types. The classification also uses functional groups to distinguish hydrocarbons, halo compounds, alcohols, aldehydes, ketones, carboxylic acids and their derivatives, which is different from naming compounds by IUPAC rules.

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