Question

b) The pure rotational
Spectra of gaseous Hcl contains a
of equally spaced lines
seperated by 20.80/cm
calculate the intermolecular
distance of molecule
atomic masses of H and cl are 1
58.06 x 10-24
Kg and
1.643x10-27kg
ع​

Answer 1

Answer:

Selection rules for rotational spectra. A molecule must have a transitional dipole moment that is in resonance with an electromagnetic field for rotational spectroscopy to be used. Polar molecules have a dipole moment. A transitional dipole moment not equal to zero is possible.