2Cr+6 +6е -> 2Cr+3 |1
2Cl-1 -2e -> (Cl2)0 |3
K2Cr2O7+14HCI—-> 2CrCl3+3Cl2+2KCl + 7H2O
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2Cr+6 +6е -> 2Cr+3 |1
2Cl-1 -2e -> (Cl2)0 |3
K2Cr2O7+14HCI—-> 2CrCl3+3Cl2+2KCl + 7H2O