4. TRUE or FALSE in one sentence of explanations where possible. 1. Morse potential represents an exact description of molecular vibration. 2. According to Franc-Condon principle, nuclear configuration changes considerably during electronic transitions. 3. Overtones are transitions with Δv = ±1.
4.
TRUE or FALSE in one sentence of explanations where possible.
1. Morse potential represents an exact description of molecular vibration.
2. According to Franc-Condon principle, nuclear configuration changes considerably during electronic transitions.
3. Overtones are transitions with Δv = ±1.
4. Harmonic oscillator model does not provide explanation for dissociation of molecules.
5. Fluorescence is much faster than phosphorescence.
6. NMR spectroscopy is based on the interactions between an external magnetic field and magnetic moment of electrons.
7. In UV-Vis spectroscopy, the increase in the number of conjugated double bonds results in the red shift of a band (λmax increases).
8. In NMR spectra, protons attached to saturated carbon atoms have higher shielding constants than protons attached to unsaturated carbon atoms.
9. Fluorine molecule (F2) does not exhibit IR spectrum. (Explain why)
10. Internal conversion is a radiative transition that occurs between states of the same multiplicity.
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