Nivedha posted an Question
April 10, 2021 • 10:25 am 30 points
  • CSIR NET
  • Chemical Sciences

The vibrations, without a centre of symmetry are, active in (a) infrared but inactive in raman (b) raman but inactive in ir (c) raman and ir (d) none

The vibrations, without a centre of symmetry are, active in (a) Infrared but inactive in Raman (b) Raman but inactive in IR (c) Raman and IR (d) None

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    Priyanshu kumar Best Answer

    option C is correct Explanation: If a molecule has COS, then its vibrational mode will either IR active or Raman Active.

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    Dinesh khalmaniya 1 best-answer

    option B Explanation- In a molecule with a center of symmetry it is seen that vibrations that are Raman active are IR inactive and vice-versa, this is called the Principle of mutual exclusion (eg, as in CO2 see details in the end).

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