Sugars and ethene can each be converted into ethanol by different reactions. Which reaction type is used for each one?
- Asugars to ethanol: fermentation; ethene to ethanol: addition
- Bsugars to ethanol: fermentation; ethene to ethanol: cracking
- Csugars to ethanol: incomplete combustion; ethene to ethanol: addition
- Dsugars to ethanol: incomplete combustion; ethene to ethanol: cracking