Answer to Question #51894 in Other Chemistry for vizzy

Question #51894
What is the oxidation of chromium in potassium dichromate? +1 +4 +6 +7
Expert's answer
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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