Calculate the number of normal modes of vibration o and
Draw diagrams to
illustrate the symmetric stretching, asymmetric stretching and bending vibrations of
### Calculation of Normal Modes of Vibration The number of normal modes of vibration for a molecule is calculated using the formula: \[ N_{\text{vib}} = 3N - 6 \quad \text{(for non-linear molecules)} \] \[ N_{\text{vib}} = 3N - 5 \quad \text{(for linear molecules)} \] where _____ _________ _________ _________ __________.
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a) Calculate the ionisation energy of rubidium per atom, if light of wavelength ) Calculate the ionisation energy of rubidium per atom, if light of wavelength 5.84 108 m produces electrons with a speed of
[Hint: Assume that the threshold frequency refers to the frequency corresponding to the ionisation energy.]
c) Explain with an example, the term, nonbonding molecular orbitals.
Explain the following terms:
a) ModeratorExplain the following terms:
a) Moderator
b) Breeder reactor
c) Nuclear fusion
d) Transmutation reaction
e) Tracer technique
ion has less stable arrangement that
molecule. Explain using molecular orbital theory.
a) For the lowest wave number absorption line in its rotational spectrum occurs at 41.11
Calculate the wave numbers corresponding to its second, third and fourth absorption lines. Explain the term, rotational spacing using these values.
c) Using Table 2.2, and the equation given in Eq. 2.54 of Unit 2, explain the directorial characteristics of and 3d_xz and orbitals of a species with one electron.
b) Explain one application each for the study of paramagnetic and diamagnetic substances using magnetic susceptibility measurements. Comment on their dependence of these values of temperature.