carboxylate ion造句

例句与造句

1. Blakeley and Zerner proposed this nearby group to be a Carboxylate ion
2. The carboxylate ion on acidification will give its corresponding carboxylic acid.
3. In a positive test, the diamminesilver ( I ) complex oxidizes the aldehyde to a carboxylate ion and in the process is reduced to elemental silver and aqueous ammonia.
4. Enolate ions differ from carboxylate ions, however, in that their two resonance forms are not equivalent-the form with the negative charge on oxygen is lower in energy than the form with the charge on carbon.
5. This delocalization of the electron cloud means that both of the oxygen atoms are less strongly negatively charged; the positive proton is therefore less strongly attracted back to the carboxylate group once it has left; hence, the carboxylate ion is more stable.
6. It's difficult to find carboxylate ion in a sentence. 用carboxylate ion造句挺难的
7. When this intermediate collapses to give the product "'4 "', the pyridine group is eliminated and its aromaticity is restored  a powerful driving force, and the reason why the pyridine compound is a better leaving group than a carboxylate ion.
8. Thus, while most organic acids are deprotonated by the ionization of a polar hydrogen oxygen bond, usually accompanied by some form of resonance stabilization ( resulting in a carboxylate ion ), uric acid is deprotonated at a nitrogen atom and uses a tautomeric hydroxy group as an electron-withdrawing group to increase the p " K " 1 value.