General Naming Rules and Functional Groups

Numbering hydrocarbon chains

Prefix Number of carbons Prefix Number of carbons
meth- 1 hex- 6
eth- 2 hept- 7
pro- 3 oct- 8
but- 4 non- 9
pent- 5 dec- 10

Saturated hydrocarbons

Type of hydrocarbon Type of bond Suffix
Alkane Single -ane
Alkene Double -ene
Alkyne Triple -yne

Alkyl halides

Halogen Naming convention
Fluorine fluoro-
Chlorine chloro-
Bromine bromo-
Iodine iodo-

Functional groups

Functional group class General structure Naming convention
Alcohol -ol
Aldehyde -al
Ketone -one
Carboxylic acid -oic acid
Ether -oxy-
Ester -yl -oate
Amine -amine
Amide -amide

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