January 26, 2021 – Stan's Academy

What is the oxidation number of ‘O’ in H₂O₂

+2

+1

-1

-2

The oxidation number of ‘O’ in OF₂ is

-1

-2

+2

+1

The oxidation number of Cr in Cr₂O₇^2-

+12

+3

+6

-3

-6

Determine the oxidation number of ‘N’ in NH₄⁺

+3

-3

+4

+1

Determine the oxidation number of ‘Cl’ in ClO₄^–

-5

-1

-3

+7

-7

+5

Determine the oxidation number of Nitrogen ‘N’
in the compound HNO₃

+3

-3

-5

+1

+5

Day: January 26, 2021