Suffixes

Suffixes

It is another part of name that comes after the word root. There are two types of suffixes:

1. Primary Suffix
2. Secondary Suffix

Primary Suffix:

It is used to indicate whether the parent chain is saturated or unsaturated.   Note: If primary suffix begins with consonant like di, tri, tetra, etc. then extra ?a? should be added to word root. For Instance: CH₃-CH₂-CH=CH₂ Number of C-atoms = 4 Word root = but Primary suffix = 1-ene (Here, 1 is the position of double bond) IUPAC name = word root + primary suffix = but + 1-ene = but-1-ene = 1-butene (Also correct)    

Secondary Suffix

It is used to indicate characteristics of functional group which is added to primary suffix.