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.
Benzyl acetate has an ester functional group (in red), an acetyl moiety (circled with dark green) and a benzyloxy moiety (circled with light orange).Other divisions can be made. functional group is a moiety that participates in similar chemical reactions in most molecules that contain it. In turn the parts of the group are termed moieties. For example, methyl para-hydroxybenzoate contains a phenol functional group within the acyl moiety, which in turn is part of the paraben moiety.