Page 84 - Chemistry - XII
P. 84

Cu OH +2NH NO +2NH OH                  Cu NH        NO     +4HO
                           2        4    3       4                3 4      3 2     2
                                                           Deep blue  complex

                                                            Soluble


                  KFeCN

                               6
                    4


                     Cu NH        NO     +4CH COOOH         Cu NO       +4CH COONH      4

                            3 4
                                               3
                                                                              3
                                                                    3 2
                                     3 2

                   2CuNO        + KKFeCN            Cu   FeCN       + 4KNO



                             3 2    4         6        2         6          3
                                                                          Choclate brown ppt.































                                                                                                     KFeCN
                                                                                                                 6
                                                                                                       4
   79   80   81   82   83   84   85   86   87   88   89