January 26, 2021 – Stan's Academy

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

+3

+5

-5

+1

-3

The oxidation number of ‘O’ in OF₂ is

-1

+2

-2

+1

Determine the oxidation number of ‘N’ in NH₄⁺

+3

+4

-3

+1

The oxidation number of Cr in Cr₂O₇^2-

+6

-3

+12

+3

-6

What is the oxidation number of ‘O’ in H₂O₂

+2

-2

-1

+1

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

-3

-1

+7

-5

-7

+5

Day: January 26, 2021