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Important Questions for "physical chemistry":

[1]

  1. Which statements are incorrect about rotational spectra?
  2. Explain the selection rule for rotational transitions.
  3. Which molecules do not possess dipole moments?

[2]

  1. What does the Debye-Huckel theory predict about the activity coefficient of an ion with increasing concentration?
  2. What is the Debye-Huckel equation related to?
  3. Onsager's reciprocity relations hold for systems with which coefficients?

[3]

  1. Derive an expression for vibrational energy of a diatomic molecule assuming it to be a simple harmonic oscillator. What is 'Zero point Energy'?
  2. How can the force constant and bond length be determined with the help of IR spectroscopy?
  3. What are the postulates of quantum mechanics?

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