Hydration of an Alkene (it's the reverse of Dehydration of an Alcohol)
All reverse steps for this reaction are the same.
Things that determine regiosepectivity: Type of Carbocation, the number of Substituents, and if there is Conjugation
seen from Canada
seen from United States
seen from Canada
seen from Czechia

seen from Brazil

seen from Brazil

seen from United States
seen from Netherlands

seen from United States
seen from Netherlands
seen from United States

seen from Canada

seen from Brazil

seen from Netherlands

seen from Brazil

seen from United States
seen from Hong Kong SAR China

seen from France
seen from Netherlands

seen from United States
Hydration of an Alkene (it's the reverse of Dehydration of an Alcohol)
All reverse steps for this reaction are the same.
Things that determine regiosepectivity: Type of Carbocation, the number of Substituents, and if there is Conjugation