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Hasil cari dari kata atau frase: carboxylic group (0.00809 detik)
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English → English (gcide)
Definition: carboxylic group
carboxyl group
\car*box"yl group`\ (k[aum]r*b[o^]ks"[i^]l
gr[=oo]p), n. (Chem.)
a monovalent organic radical (written
-COOH,
-CO2H or
-CO.OH) whose presence confers acidic properties on the
compound containing it; -- called also
carboxylic group.
Monocarboxylic acids (such as acetic acid or butyric acid)
have one carboxyl group, dicarboxylic acids (such as oxalic
acid or malonic acid) have two, tricarboxylic acids (such as
citric acid) have three. It is weakly acidic, the pKa of
acetic acid being 4.75.
[PJC]
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