IIT JAMChemistrySpectroscopyNumerical+1 / −0
The first rotational absorption of ¹²C¹⁶O molecule is observed at 3.84 cm⁻¹. If an isotopic substitution is made with ¹⁸O in the molecule, the frequency (in cm⁻¹) of first rotational absorption is .
Numerical answer
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Correct answer: 3.64, 3.66
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