solve practice questions please learly circle your answer to each question: 1. E
ID: 879873 • Letter: S
Question
solve practice questions please learly circle your answer to each question: 1. Examining the infrared spectrum of a compound allows us to: a. determine the types of functional groups present in b. determine the carbon-hydrogen framework of the c. determine the molecular weight of the compound the compound compound d. determine the nature of the conjugated pi electron system in the compound 2. The amount of energy in electromagnetic raditation is related to the frequency and wavelength of the radiation. High energy radiation 1ike gamma rays 1s of: a. low frequency and short wavelength b. low frequency and long wavelength c. high frequency and short wavelength d. high frequency and long wavelength 3. Which of the following does not involve the interaction of molecules with elect romagnetic energy? a. mass spect rometry b. infrared spectroscopy c. ultraviolet spectroscopy d. nuclear magnetic resonance spectroscopy 4. The amount of energy in infrared light corresponds to a. the amount of energy needed to promote one electron b. the amount of energy needed to "flip" the spin of a c. the amount of energy needed to strip a molecule of from a bonding to an antibonding molecular orbital 13 C or H nucleus one electron to generate a cation radical molecular motions, such as bond vibrations, in d. the amount of energy needed to increase certain organic moleculesExplanation / Answer
The correct solutions to the given problems will be,
1. spectroscopic teachnique IR is used to determine,
a) determine the type of functional group present in the compound
2. High energy gamma radication (E=hv=hc/lambda) have,
c. High frequency and short wavelength
3. Of the given spectroscopic techniques,
a. Mass spectrometry does not utilize the interaction with electromagnetic radiation.
4. The amount of energy in IR is to,
d. the amount of energy needed to increase certain moleular motions, such as bond vibrations, in organic molecules.
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