单词 | pseudosalt |
释义 | > as lemmaspseudosalt pseudosalt n. Brit. /ˈs(j)uːdə(ʊ)sɒlt/ , /ˈs(j)uːdə(ʊ)sɔːlt/ , U.S. /ˈsudoʊˌsɔlt/ , /ˈsudoʊˌsɑlt/ Chemistry a compound which is normally covalent but which under certain conditions exists as, or in equilibrium with, an ionized, salt-like form.ΘΚΠ the world > matter > chemistry > chemical substances > salts > [noun] > pseudo-salt pseudosalt1910 1910 N. V. Sidgwick Org. Chem. Nitrogen vii. 152 The mercury must migrate from one position to the other, according to the solvent, just as the hydrogen atom does with a pseudo-acid, and hence mercuric nitroform should be called a pseudo-salt. 1953 C. K. Ingold Struct. & Mech. Org. Chem. x. 577 Pseudo-salt formation can be seen in the reactions of methylquinolinium salts with various sources of carbanions. 1990 Organometallics 9 2638/1 Hydrocarbon-soluble molecular species with five-coordinate antimony centers. These interesting ‘pseudosalts’ are excellent sources of siloxide anions. < as lemmas |
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