What is the oxidation of chromium in potassium dichromate?
+1
+4
+6
+7
1
Expert's answer
2015-04-15T13:44:22-0400
A formula of potassium dichromate is K2Cr2O7. The oxidation of potassium is +1, the oxidation of oxygen is -2, therefore, the oxidation of chromium is +6. Answer: +6
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