What is the oxidation state of nitrogen in \(HNO_{3}\)

The oxidation state of nitrogen in N_(3)H is

The oxidation state of nitrogen in N_(3)H is

What is the oxidation state of N in HNO_(3) ?

One mole of N_(2)H_(4) loses ten moles of electrons to form a new compound A . Assuming that all the nitrogen appears in the new compound, what is the oxidation state of nitrogen in A ? (There is no change in the oxidation state of hydrogen.)

When NH_(4)NO_(3) is gently heated, an oxide of Nitrogen is formed. What is the oxidation state of Nitrogen in this oxide ?

What is the oxidation number of nitrogen in (i) nitric acid (HNO_(3)) (ii) nitrous acid (HNO_(2)) (iii) nitric oxide (NO) (iv) nitrous oxide (N_(2)O) (v) nitrogen (N_(2)) ?

The oxidation state of nitrogen varies from: