The enolic form of acetone contains

Options

A. 9 `sigma`-bonds, 1 `pi`-bond, 2-lone pairs
B. 8 `sigma`-bonds, 2 `pi`-bonds, 1-lone pair
C. 10 `sigma`-bonds, 1 `pi`-bond, 2-lone pairs
D. 9`sigma`-bonds, 2 `pi`-bonds, 1-lone pair.

Answer

A

Explanation

Enolic from of acetone has lewis structure
`H_(2)C=overset(":"overset(..)OH)overset("| ")"C "-CH_(3)`
(9 `sigma`-bonds, `1pi`-bonds, 2-lone pairs)