Chemistry, asked by rinkusharma6537, 11 days ago

Find the oxidation number of cr2070-2

Answers

Answered by rumamansuri8

Answer:

+ 6

Explanation:

The sum of the oxidation numbers in Cr2O72-, a polyatomic ion, is -2, the charge of the ion. There are seven oxygen atoms, so the total charge is − 2⋅7 = − 14. So, a chromium atom here has an oxidation number of + 6.

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