Question

4. Calculate the oxidation number of underlined element in the following
species ,
(a) HPO,
(b) Ee.O.​

Answer 1

Please check your question , it's not clear and make sure the signs are in right place.

Answer 2

Answer:

a) +1

Explanation:

ON of H is +1,

ON of O is -2

HPO = 0

1 (P) -2 = 0

P - 1 = 0

P = +1