January 26, 2021 – Stan's Academy

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

+7

-1

+5

-7

-3

-5

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

+3

-5

+5

+1

-3

Determine the oxidation number of ‘N’ in NH₄⁺

+4

+3

-3

+1

The oxidation number of Cr in Cr₂O₇^2-

-6

+6

+12

+3

-3

The oxidation number of ‘O’ in OF₂ is

-1

-2

+1

+2

What is the oxidation number of ‘O’ in H₂O₂

+2

+1

-2

-1

Day: January 26, 2021