Question

Determine o nox do N no : A) NH3 , B) HNO3 , C)HNO2 , D)NO2

Answer 1

$NH_{3}$
N + 3 (-1) = 0
N = 3

$HNO_{3}$
1+ N + 3(-2) = 0
N = 5

$HNO_{2}$
1+ N + 2(-2) = 0
N = 3

$NO_{2}$
N + 2(-2) = 0
N = 4