It is an alcohol.
Cyclohexanol, ##”C”_6″H”_12##, is formed by the oxidation of cyclohexane, ##”C”_6″H”_11″OH”##. In the formation of cyclohexanol, one hydrogen atom on the cyclohexane ring is replaced by a hydroxyl group (-OH), which makes it an alcohol. https://en.wikipedia.org/wiki/Cyclohexanol
Cyclohexane
Cyclohexanol