Aldehydes Ketones and Carboxylic AcidshardNUMERICAL

In the balanced chemical equation for the catalytic preparation of acetone by passing the vapours ofAldehydes Ketones and Carboxylic Acids Chemistry Question

Question

In the balanced chemical equation for the catalytic preparation of acetone by passing the vapours of a simple carboxylic acid over heated Manganese(II) oxide ($MnO$) at $300^\circ C$, what is the stoichiometric coefficient of the reactant carboxylic acid required to form exactly 1 mole of acetone?

Answer: 2

💡 Solution & Explanation

The synthesis involves the bimolecular decarboxylative condensation of acetic acid over heated MnO. The balanced equation is: $2 CH_3COOH \xrightarrow{MnO,\ 300^\circ C} CH_3COCH_3 + CO_2 + H_2O$. Therefore, 2 moles of acetic acid are required to form 1 mole of acetone.

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