Page 79 - Chemistry - XII
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CaCO +H SO           CaSO +H CO
                           2  4    2   4          4    2  2  4
                                            Dil.
                       2KMnO+3H SO +5HC O →               K SO +2MnSO +8HO +10CO
                               4      2   4     2  2  4     2   4          4     2          2
                        SO 4 2-



                          2
                       SO     BaCl      BaSO       2 Cl
                          4         2         4

                                              White ppt.





                          2
                       SO +CHCOO Pb              2CHCOO +PbSO
                          4        3      2           3              4
                                                                                           White ppt.
                        PO 3-
                           4


                       PO +3HNO          HPO+3NO
                          3
                          4          3     3   4       3

                       HPO+12 NH           MoO+ 21HNO           NH     PO ..12MoO +12H O+ 21NHNO
                         3   4         4 2      4          3        4 3    4        3      2          4    3
                                                                      Canary yellow ppt.




                          3CoNO        + 2PO      CoPO        +6NO
                                             3

                                   3 2       4       3    4 2       3
                                                     Violet ppt.



                           Co PO      +6CH COOH         3CoCHCOO +2HPO

                              3    4 2       3                   3      2     3   4
                                                                                       Soluble
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