Question

Name reducing agent Nh3+O2 No+H2O

Answer 1

nitrogen........

hope this helps u

Answer 2

Answer:

I think ur question is wrong.

Question might be:

Name reducing agent in N(OH)3+O2 = NO+ H2O

And answer to this is:

Here reducing agent is oxygen(O).

Thus, oxidation is taking place in the given reaction.