monobasic

American  

[mon-uh-bey-sik] / ˌmɒn əˈbeɪ sɪk /

adjective

1. Chemistry. (of an acid) containing one replaceable hydrogen atom.

2. Biology. monotypic.

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monobasic British  

/ ˌmɒnəʊˈbeɪsɪk /

adjective

1. chem (of an acid, such as hydrogen chloride) having only one replaceable hydrogen atom per molecule

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monobasic Scientific  

/ mŏn′ə-bā′sĭk /

1. Relating to an acid that contains only one hydrogen atom that can be replaced in an acid-base reaction. Hydrochloric acid (HCl) and nitric acid (HNO ₃) are monobasic acids.

2. Of or relating to a compound that contains one metal ion or positive radical.

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Other Word Forms

• monobasicity noun

Etymology

Origin of monobasic

First recorded in 1835–45; mono- + basic

Example Sentences

The ion Na+ of the salt in the stomach contents exchanges with an ion H+ of the monobasic salts of the blood, NaHCO3 + NaCl = HCl + Na2CO3.

From The Mechanism of Life by Leduc, Stéphane

An acid is said to be monobasic, dibasic, tribasic, &c., according to the number of replaceable hydrogen atoms; thus HNO3 is monobasic, sulphuric acid H2SO4 dibasic, phosphoric acid H3PO4 tribasic.

From Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago" by Various

They are all monobasic acids; the lower members are colourless liquids, and the higher members from C7H15COOH upwards are colourless solids.

From The New Gresham Encyclopedia Volume 4, Part 3: Estremoz to Felspar by Various

This view, which was specially supported by Gay-Lussac and Leopold Gmelin and accepted by Berzelius, necessitated that all acids were monobasic.

From The Project Gutenberg Encyclopedia Volume 1 of 28 by Project Gutenberg

Such acids as hydrochloric and nitric acids, which have only one replaceable hydrogen atom in the molecule, or in other words yield one hydrogen ion in solution, are called monobasic acids.

From An Elementary Study of Chemistry by McPherson, William