Determine the oxidation states of elements in the following substances: CrCl3, CrO3, CrSO4, Na2Cr2O

univerkov | November 22, 2020 | education

1) CrCl3
Cr (3+) Cl (1-)
2) CrO3
Cr (6+) O (2-)
3) CrSO4
Cr (2+) S (6+) O (2-)
4) Na2Cr2O
Na (1+) Cr (6+) O92-)
The oxidation state of Cl is constant -1, the oxidation state is constant and Na 1+, and the oxidation state of O 2- is also constant.

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