Quia

The absorption of infrared radiation leads to an increase in molecular vibrational level associated with the stretching of the carbonyl. ... What is the approximate frequency that corresponds to this wavelength? 1.8 × 10−15 s−1. 1.6 × 102 s−1. 1.9 × 106 s−1. 5.6 × 1014 s−1. ................
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