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- What is the product formed when each dicarbonyl compound undergoes an intramolecular aldol reaction, followed by dehydration.Drawing an Enol and a Ketone Formed by Hydration of an Alkyne Draw the enol intermediate and the ketone product formed in the following reaction.Draw the product formed when each dicarbonyl compound undergoes an intramolecular aldol reaction followed by dehydration, when possible.