Question

Which of the following can be used as oxidizing agent?

• A. $H_2$
• B. $N_2$
• C. $HN{O}_3$
• D. $N{H}_3$

Answer 1

The correct option is C $HN{O}_3$

Higher the oxidation state higher the oxidizing power. In $HN{O}_3$ nitrogen is in +5 so it can act as strong oxidizing agent because it is in highest oxidation state
In $N_2$ and $N{H}_3$ nitrogen is in 0 and -3 respectively so will not act as oxidizing agent.
and $H_2$ is a good reducing agent