Preparation of Benzene Class 12 Chemistry || Industrial and Laboratory Preparation of Benzene
Автор: MWS Chemistry
Загружено: 2024-09-21
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Laboratory Preparation of Benzene
👉Benzene is prepared from ethyne by the process of cyclic polymerization. In this process, Ethyne is passed through a red-hot iron tube at 873 K. The ethyne molecule then undergoes cyclic polymerization to form benzene.
👉Benzene can be prepared from aromatic acids through decarboxylation reaction. In this process, the sodium salt of the benzoic acid (sodium benzoate) is heated with soda lime to produce benzene along with sodium carbonate.
👉Benzene can be prepared from sulphonic acids through their hydrolysis. In this process Benzene sulphonic acid is exposed to superheated steam leading to the formation of benzene.
C6H5-SO3H + H2O → C6H6 + H2SO4
These were some basic methods for the laboratory preparation of benzene. To learn about other processes for the commercial and laboratory preparation of benzene.
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