A) Friedrich Wohler
B) Berzelius
C) Kolbe
D) Berthelot
Correct Answer: A
Solution :
German chemist Friedrich Wohler in 1828. synthesised the organic compound 'urea' for the first time in laboratory. Due to this experiment, vital force theory of organic compounds was rejected. \[\underbrace{\underset{\begin{smallmatrix} \text{Ammonia}\,\text{Hydrogen} \\ \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\text{cyanate} \end{smallmatrix}}{\mathop{N{{H}_{3}}+HCNO}}\,}_{\begin{smallmatrix} \text{Inorganic} \\ \text{compounds} \end{smallmatrix}}\xrightarrow{{}}\underset{\begin{smallmatrix} \text{ammonium} \\ \text{cyanate} \end{smallmatrix}}{\mathop{N{{H}_{4}}CNO}}\,\] \[N{{H}_{4}}CNO\xrightarrow{\Delta }\underbrace{\underset{\text{urea}}{\mathop{N{{H}_{2}}CON{{H}_{2}}}}\,}_{\begin{smallmatrix} \text{Organic} \\ \text{compound} \end{smallmatrix}}\]
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