Q. 44.5( 13 Votes )
What are primary and secondary suffixes as applied to IUPAC nomenclature?
In IUPAC nomenclature, the following subdivision is followed for naming the compounds.
Primary suffixes are used to indicate the degree of unsaturation (i.e., presence of double or triple bonds) in a carbon compound.
e.g.: -ane (for alkanes), -ene (for alkenes), -yne (for alkynes)
Secondary suffixes are those suffixes which describe the main functional group of the compound. They are added after the primary suffix.
e.g.: -one (for ketones), -oic acid (for carboxylic acids)
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