Final answer:
The major product of the given reaction H+애O is ethanol.
Step-by-step explanation:
The IUPAC name for the major product of the given reaction, H+애O, is ethanol (option a).
When H+애O, or water (H2O), reacts with a hydrocarbon, it forms an alcohol. In this case, the hydrocarbon is ethene (C2H4). The reaction results in the formation of ethanol (C2H5OH).
Therefore, the major product of the given reaction is ethanol.