[单选题]
The electromagnetic spectrum
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In one spectroscopic technique, electromagnetic radiation is used to identify functional groups based on the vibrational frequencies of their chemical bonds. Which of the following wavelengths of electromagnetic radiation would be most useful for this technique?
A. $10^3$
B. $10^{-5}$
C. $10^{-7}$
D. $10^{-11}$
参考答案:
B
本题详细解析:
Explanation:
The student must recognise that the described technique is IR spectroscopy, and correctly interpret the diagram to identify a wavelength in the IR range.
The question is of moderate difficulty as it requires both the definition and the diagram to be understood correctly.
