... are compounds capable of existence in the form aaC(OH)bbCaaaa COaa as well as in theform aa COaa CaaHaa COaa ; it depends on the nature of the substituents, the temperature, and fordissolved ... Form aa C(OH)bbCaaaa COaa wie in der Formaa COaaCaaHaa COaa zu bestehen vermo¨gen; von der Natur der angelagerten Reste, vonder Temperatur, bei den gelo¨sten Substanzen auch von der Art ... contrast to the acid/base behaviour of ‘‘polymeric’’ bulk water, ‘‘monomeric’’water is a relatively weak acid and base in the gas phase compared to its substitutedderivatives (Raa OH, Raa OaaR,...