January 26, 2021 – Stan's Academy

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

-5

+3

-3

+5

+1

The oxidation number of Cr in Cr₂O₇^2-

+12

+6

-3

-6

+3

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

-1

-7

+5

-5

+7

-3

Determine the oxidation number of ‘N’ in NH₄⁺

-3

+1

+4

+3

The oxidation number of ‘O’ in OF₂ is

-2

+2

-1

+1

What is the oxidation number of ‘O’ in H₂O₂

-2

+1

-1

+2

Day: January 26, 2021