Question

Oxidation number of oxygen atom in O molecule is
(1) 0
(2) -2
(3) +2
(4) - 1/2


solution plzzz


​

Answer 1

Answer:

2) -2

explanation

Oxygen usually has an oxidation number of -2. Exceptions include molecules and polyatomic ions that contain O-O bonds, such as O2, O3, H2O2, and the O22- ion.

Answer 2

Answer:2 option:-2

Explanation:

O2 is two as its in elemental form

So O has to be less than O as loss of oxygen is reduction

And its -2 since genrally in unimolecular oxygen compounds its -2 like H2O