Question

see attached file - redox reaction question

Answer 1

whi is the answer +3 to 0? thanks

Answer 2

In the formula of the reactant, the nitrogen are bonded to three -1 ions. The -1 iodides and the -1 hydrogens. As a PRODUCT, the nitrogens are in their elemental state

Answer 3

so both NI and NH make the oxidation number of N to be +3 correct?

Answer 4

yes

Answer 5

but the formulas are \(NI_3\) and \(NH_3\). there are three iodides and three hydrogens