Hydroxyl groups are a functional group found in sugars and alcohols. A hydroxyl group consists of one hydrogen and one oxygen atom and can be written as either -OH or HO-. Hydroxyl groups are polar, and the oxygen side is always negative, while the hydrogen side is always positive.Click to see full answer. Also know, what is the functional group of esters?Esters are an important functional group in organic chemistry, and they are generally written RCOOR’ or RCO2R’. Esters: An ester is characterized by the orientation and bonding of the atoms shown, where R and R’ are both carbon-initiated chains of varying length, also known as alkyl groups.Similarly, how many hydroxyl groups are there? Two functional groups containing oxygen, the hydroxyl and carbonyl groups, contribute to water solubility. Oxygen occurs in these two common functional groups: Hydroxyl groups have one hydrogen paired with one oxygen atom (symbolized as -OH). Also asked, what are the 7 functional groups? There are 7 important functional groups in the chemistry of life: Hydroxyl, Carbonyl, Carboxyl, Amino, Thiol, Phosphate, and aldehyde groups. Hydroxyl group: consists of a hydrogen atom covalently bonded to an oxygen atom. Carbonyl group: is written as a covalent C=O. Are hydroxyl groups Basic?Most functional groups have little to no effect on the acidity of the molecule. The hydroxyl, which is simply an OH attached to the molecule, could conceivably lose it’s hydrogen, making it acidic, but that is not how the molecule normally interacts.