A scientist selects either infrared spectroscopy or mass spectrometry in order to obtain a specific item of information. In which row has the most suitable choice been made?
- Aidentities of functional groups in an organic compound - infrared spectroscopy
- Bidentities of functional groups in an organic compound - mass spectrometry
- Cvalues of successive ionisation energies of Na - infrared spectroscopy
- Dvalues of successive ionisation energies of Na - mass spectrometry