To record the vibrational spectrum of gaseous

CHEMISTRY · Subjective · A Level · Chemistry · Organic analysis and spectroscopy · Organic analysis and spectroscopy

Problem

To record the vibrational spectrum of gaseous CO2\mathrm{CO_2}, a spectroscopist can choose among the following radiation sources: • 12 GHz microwave oscillator • Tunable laser at 3000 cm−1^{-1} • Deuterium lamp emitting primarily at 200 nm Which source should be selected, and why is it appropriate for this experiment?

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