January 26, 2021 – Stan's Academy

The oxidation number of ‘O’ in OF₂ is

-2

-1

+2

+1

Determine the oxidation number of ‘N’ in NH₄⁺

+3

+1

-3

+4

What is the oxidation number of ‘O’ in H₂O₂

+2

+1

-2

-1

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

+5

-3

+3

-5

+1

The oxidation number of Cr in Cr₂O₇^2-

+3

-3

+6

-6

+12

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

+7

-1

+5

-3

-7

-5

Day: January 26, 2021