Yes, acetone, acetophenone and Cyclohexanone have alpha hydrogen.
The aldol condensation product are:
Acetone - Diacetone Alcohol (DAA) is produced as an intermediate product from the aldol condensation of acetone in the presence of an acid catalyst, which then dehydrates to produce Mesityl Oxide (MO).
Acetophenone - The acetophenone would produce an enolate ion under normal circumstances.
Cyclohexanone - A β -hydroxy ketone is produced when cyclohexanone goes through aldol condensation while being in the presence of a base.
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