Question

determine o nox do N no: a) NH3 b)NH4 c)HNO2 d)NO2 h)NO

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

NO
N -2 = 0
N = 2