structures

1. Hydrogenation of Ethylene to Ethane: Atom Economy = 2/2 = 1
2. Hydrogenation of Alkenes to Alcohols: Atom Economy = 4/4 = 1
3. Hydrogenation of Alkenes to Alkanes: Atom Economy = 3/4 = 0.75
4. Dehydration of Alcohols to Alkenes: Atom Economy = 2/3 = 0.67
5. Oxidation of Alcohols to Aldehydes: Atom Economy = 2/3 = 0.67
6. Oxidation of Alkenes to Carboxylic Acids: Atom Economy = 4/5 = 0.8
7. Radical Halogenation of Alkenes: Atom Economy = 3/4 = 0.75
8. Hydration of Alkenes to Phenols: Atom Economy = 5/6 = 0.83
9. Hydrolysis of Esters to Carboxylic Acids: Atom Economy = 6/7 = 0.86
10. Reduction of Carboxylic Acids to Aldehydes: Atom Economy = 2/3 = 0.67