Question

calculate the oxidation number of chromium in pbc1O4

Answer 1

Answer:

So, two chromium atoms have an oxidation number of +12. So one chromium atom will have an oxidation number of +12 /2=+6. So oxidation number of Cr in K2Cr2O7 is +6.

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We need to find the oxidation number of Cr in K2Cr2O. 7.

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