Teaching Haryana (HPSC) Assistant Professor Mock Test 2025 Chemical Sciences Molecular Spectroscopy Vibrational Spectra of Diatomic Molecules
Considering anharmonicity, the pattern of the allowed vibrational energy levels may be given by:
\(\overline {{\upsilon _v}} = \left( {v + {1 \over 2}} \right){\varpi _e} - {\left( {v + {1 \over 2}} \right)^2}{\varpi _e}{x_e}\) cm-1 ( \(\nu\)=0,1,2,...)
For a molecule with \({\varpi _e}\) = 4138.5 cm-1 and xe = 0.0218 the vibrational level of dissociation is
1
45
2
22
3
not determined, due to insufficient data
4
90
5
Question Not Attempted