The laboratory preparation of benzene from sodium benzoate is carried out by heating it with soda li — Aromatic Hydrocarbons Chemistry Question
Question
The laboratory preparation of benzene from sodium benzoate is carried out by heating it with soda lime. What is the active composition of soda lime?
Answer: A
💡 Solution & Explanation
Soda lime is a mixture of Sodium Hydroxide ($NaOH$) and Calcium Oxide ($CaO$). When sodium benzoate is heated with soda lime, it undergoes decarboxylation (loss of $CO_2$ in the form of $Na_2CO_3$) to yield benzene.
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