Which postulate was disproved by Wohler? Explain with example. - Vidyadip

Question

Which postulate was disproved by Wohler? Explain with example.

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Answer

Carbon atom possesses characteristic features of tetravalency and catenation; and due to this it forms a large number of compounds.
$\rightarrow$ Among these, many compounds have the same non-carbon atom or group of atoms attached to different carbon chains.
$\rightarrow$ These compounds were initially extracted from natural substances.
$\rightarrow$ It was believed that organic compounds could only be formed within a living system; that is, it was postulated that 'vital force' was necessary for their synthesis.
$\rightarrow$ German scientist, Friedrich Wohler disproved this in 1826.
Example : He prepared organic compound urea by heating inorganic compound ammonium cyanate.

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