Identify if the following statements are true or false.
1. Simple carbonyl compounds exist in equilibirum with structures called enols. T or F
2. Tautomers are not constitutional isomers because they have different functional groups. T or F
3. For B-dicarbonyl compounds the fractional of the enol form increases. T or F
4. If no alpha hydrogen exists, we cannot form an enol. T or F