Page 116 - Chemistry - XI
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TABLE 3: SOLUBILITY OF COMMON INORGANIC COMPOUNDS IN WATER

              Name of Anion         Symbol        These ions form soluble              Form slightly soluble
                                                  compounds (solubility greater        compounds (solubility
                                                  than 0.1 M) with these cations       less than 0.1 M)


             Nitrate                  NO  − 3                Most cations                           None

             Acetate               CH COO    –               Most cations                            Ag +
                                       3
             Chloride                  Cl –                  Most cations                      Ag , Pb ,  Hg 2+
                                                                                                       2+
                                                                                                  +
                                                                                                             2
             Bromide                   Br –                  Most cations                      Ag , Pb ,  Hg 2+
                                                                                                  +
                                                                                                       2+
                                                                                                             2
             Iodide                    I –                   Most cations                         +    2+    2+
                                                                                               Ag , Pb ,  Hg
                                                                                                             2
             Sulphate                 SO 2−                  Most cations                    Br , Sr , Pb , Ag  +
                                                                                                2+
                                                                                                     2+
                                                                                                          2+
                                         4
             Chromate                 CrO 2−                 Most cations                    Br , Sr , Pb , Ag  +
                                                                                                     2+
                                                                                                          2+
                                                                                                2+
                                          4
                                                        +
             Sulphide                  S 2–          NH , alkali metal cations, and           Most other cations
                                                        4
                                                      alkaline earth metal cations
                                                        +
             Hydroxide                OH  –         NH , alkali metal and alkaline            Most other cations
                                                        4
                                                     earth metal and Ba  and Sr  2+
                                                                        2+
             Carbonate                CO 2−          NH  and alkali metal cations             Most other cations
                                                         +
                                         3
                                                         4
             Phosphate                PO 3−                    except Li +
                                         4


































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