Which of the following alcohols cannot be prepared from hydration of an alkene?

Which of the following alcohols connot be prepared from an alkene?

Which of the following alcohol cannot be prepared by hydration of the corresponding alkene ?

Which of the following alcohols cannot be prepared by the action of a suitable Grignard reagent on an aldehyde or a ketone followed by hydrolysis ?

Which of the following alcohols cannot be prepared by the action of a suitable Grignard reagent as an aldehyde or a ketone followed by hydrolysis ?

Which of the following alcohols cannot be prepared by the action of a suitable Grignard reagent on an aldehyde or a ketone followed by acid hydrolysis ?

Which of the following alcohols cannot be prepared by reduction of a carbonyl compound ?

Which of the following alcohols cannot be prepared by reduction of carbonyl compounds?

Which of the following alcohols is prepared by acid catalysed hydration of alkenes?