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Question
How will you prepare ethanol, propan-2-ol and 2-methylpropan-2-ol from Grignard’s reagent?
Solution
a. 1. Methanal reacts with methyl magnesium iodide in presence of dry ether to give an addition compound, which on acid hydrolysis gives ethanol.
2. Ethanal reacts with methyl magnesium iodide in presence of dry ether to give an addition compound, complex which on acid hydrolysis gives propan-2-ol.
3. Propanone reacts with methyl magnesium iodide in presence of dry ether to give an addition compound, which on acid hydrolysis gives 2-methylpropan-2-ol.
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