Most people can identify their first cousins: the children of their parentsâ brothers and sisters. Many, however, are hazy about any further familial connections, and a quick online search shows that people are often confused over kinship terms.
1 Paracetamol (acetaminophen) is an aromatic compound containing an OH (hydroxyl) functional group and a HN-CO-R (amide) functional group.2  Paracetamol (acetaminophen) is a weak acid. 3  Paracetamol (acetaminophen) is a white solid with a melting point of 170 o C which is slightly soluble in water. Paracetamol (acetaminophen) is widely used as an analgesic (pain reliever) and an antipyretic (for reducing fever). 2  The systematic IUPAC name for paracetamol (acetaminophen) is N -(4-hydroxyphenyl)ethanamide or N -(4-hydroxyphenyl)acetamide.
The aldehyde functional group allows the sugar to act as a reducing agent, for example in the Tollens' test or Benedict's test. The cyclic hemiacetal forms of aldoses can open to reveal an aldehyde and certain ketoses can undergo tautomerization to become aldoses.