Question:easy

The number of normal modes of vibration in benzene (\(C_6H_6\)), a planar molecule with 12 atoms, is:

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Use 3N - 6 for a nonlinear molecule with N atoms.
Updated On: Jul 3, 2026
  • 6
  • 30
  • 12
  • 36
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The Correct Option is B

Solution and Explanation

Total DOF=3N=36. Subtract 3 translational+3 rotational=6. Vibrational=36-6=30.
\[\boxed{30}\]
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