NO2+has linear structure with bond angle 180∘. Dipole moment of symmetrical molecule is always zero because all the bond moments are cancelled. Hence, the dipole moment of NO2+is zero. Its structure is as :
..
O
=N−
..
O
: Molecule ‌‌NO2+‌‌H2O‌‌NH3‌CO Dipole moment (D) zero ‌‌1.84‌‌1.46‌‌2.1