Dictionary entry overview: What does isle mean? â¢ ISLE (noun) The noun ISLE has 1 sense: 1. a small island Familiarity information: ISLE used as a noun is very rare.
The sulfate ion is SO42- The sulfite ion is SO32- and is more basic that sulfate.
In the most known Landolt's clock reaction, potassium iodate and sulfite reacts with each other according to the clock mechanism to yield iodine, which than reacts with starch producing a dark blue colored complex. Various combinations of reactants that follow the clock mechanism are described in this section.