Which of the following is not correctly matched?
- A$CrO_5$; oxidation number of $Cr = +10$
- B$Fe_3O_4$; oxidation state of $Fe = +\frac{8}{3}$
- C$Na-Hg$; oxidation number of $Na = +1$
- DAll of the above
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View SolutionWhat is the oxidation state of chromium in the final product when $KI$ reacts with acidified potassium dichromate solution?
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