Aldehydes Ketones and Carboxylic AcidshardMCQ SINGLE⭐ Must-Do

When acetone is treated with Magnesium amalgam () and water, it undergoes a bimolecular reductive coAldehydes Ketones and Carboxylic Acids Chemistry Question

Question

When acetone is treated with Magnesium amalgam ($Mg/Hg$) and water, it undergoes a bimolecular reductive coupling. What is the major organic product?

Answer: C

💡 Solution & Explanation

$Mg/Hg$ transfers electrons to form a ketyl radical anion intermediate. Two acetone molecules covalently pair at their carbonyl carbons, forming the symmetrical 1,2-diol known as Pinacol.

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