January 26, 2021 – Stan's Academy

The oxidation number of ‘O’ in OF₂ is

+2

-1

-2

+1

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

+5

-5

+3

+1

-3

What is the oxidation number of ‘O’ in H₂O₂

-1

+2

+1

-2

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

-7

+7

+5

-5

-3

-1

Determine the oxidation number of ‘N’ in NH₄⁺

+4

-3

+3

+1

The oxidation number of Cr in Cr₂O₇^2-

+6

-3

-6

+12

+3

Day: January 26, 2021