Oksidlanish-qaytarilish reaksiyalarining turlari

 +                         -                 2+          

                    NO₂+MnO₄+H     ®  NO₃+    Mn+ …..

              Oksidlovchining qaytarilgan va qaytaruvchining oksidlangan mahsulotlarini   ko’rsatuvchi yarim reaksiyalar tuziladi.                                                                      

                                                                                       ₂₊

                            MnO₄ ^-    ®           Mn           (1)

                                 _{-                                 -} 

                            NO₂        ®       NO₃            (2)

                 (1) yarim reaksiyaga 1 qoidani (2) yarim reaksiyaga (3) qoidani qo’llaymiz.

                                        _-