Organic Chemistry · free preview

12.5 Spectroscopy and the Electromagnetic Spectrum

Infrared, ultraviolet, and nuclear magnetic resonance spectroscopies differ from mass spectrometry in that they are nondestructive and involve the interaction of molecules with electromagnetic energy

1. Infrared, ultraviolet, and nuclear magnetic resonance spectr

Infrared, ultraviolet, and nuclear magnetic resonance spectr

2. Multiplying the wavelength of a wave in meters (m) by its fr

Multiplying the wavelength of a wave in meters (m) by its fr

3. Just as matter comes only in discrete units called atoms, el

Just as matter comes only in discrete units called atoms, el

4. E=\frac{N_Ahc}{λ}=\frac{1.20\times{10}^{{-4}}\;kJ/mol}{λ\;(m

E=\frac{N_Ahc}{λ}=\frac{1.20\times{10}^{{-4}}\;kJ/mol}{λ\;(m

5. The energy a molecule gains when it absorbs radiation must b

The energy a molecule gains when it absorbs radiation must b

6. Worked Example 12.3: Correlating Energy and Frequency of Radiation

Worked Example 12.3: Correlating Energy and Frequency of Radiation

7. Problem 12-5 Which has higher energy, infrared radiation wit

Problem 12-5 Which has higher energy, infrared radiation wit

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