Aldehydes Ketones and Carboxylic AcidshardMCQ SINGLE⭐ Must-Do

In the stable enolic form of acetone (), what is the exact count of sigma bonds, pi bonds, and lone Aldehydes Ketones and Carboxylic Acids Chemistry Question

Question

In the stable enolic form of acetone ($CH_3-C(OH)=CH_2$), what is the exact count of sigma bonds, pi bonds, and lone pairs respectively?

Answer: A

💡 Solution & Explanation

The enol form $CH_2=C(OH)CH_3$ has 9 sigma bonds (3 $C-H$ on methyl, 2 $C-H$ on methylene, 1 $C=C$, 1 $C-O$, 1 $O-H$, 1 $C-C$), 1 pi bond ($C=C$), and 2 lone pairs on the oxygen.

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