Which of the following processes does not involve the absorption of infrared radiation?
The vibrational stretching of C−FC-FC−F bonds in a chlorofluorocarbon (CFC) gas in the troposphere.
The homolytic fission of a C−ClC-ClC−Cl bond in a chlorofluorocarbon (CFC) molecule in the stratosphere.
The bending vibration of O−HO-HO−H bonds in atmospheric water vapour.
The detection of an aldehyde by measuring the absorption band of its C=OC=OC=O double bond during analysis.