Primary is a term used in organic chemistry to classify various types of compounds (e.g. alcohols, alkyl halides, amines) or reactive intermediates (e.g. alkyl radicals, carbocations).
Red highlighted central atoms in various groups of chemical compounds. Primary central atoms compared with secondary, tertiary and quaternary central atoms. primary secondary tertiary quaternary Carbon atom in an alkane Alcohol does not exist Amine Amide does not exist Phosphine
See also Secondary (chemistry) Tertiary (chemistry) Quaternary (chemistry)
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