Podcast
Questions and Answers
What is the main reason that saturated hydrocarbons are transparent in the near UV range (200 - 300 nm)?
What is the main reason that saturated hydrocarbons are transparent in the near UV range (200 - 300 nm)?
- They are inert and do not interact with light in this region
- They have no n-electrons to absorb in this region
- They have high energy n-electron transitions that occur in the far UV
- They have no conjugation to extend the absorption wavelength (correct)
Which of the following compounds is most likely to show absorption in the near UV range (200 - 300 nm)?
Which of the following compounds is most likely to show absorption in the near UV range (200 - 300 nm)?
- Chloroform
- Triethylamine
- A conjugated hydrocarbon (correct)
- Methanol
What is the typical absorption wavelength range for saturated compounds containing heteroatoms (S, N, O, or halogens)?
What is the typical absorption wavelength range for saturated compounds containing heteroatoms (S, N, O, or halogens)?
- 200 - 300 nm
- Less than 170 nm
- 173 - 199 nm
- They do not absorb in the near UV (correct)
What is the primary reason that alcohols and ethers are useful as common solvents at wavelengths greater than 200 nm?
What is the primary reason that alcohols and ethers are useful as common solvents at wavelengths greater than 200 nm?
What is the typical absorption wavelength range for alcohols and ethers?
What is the typical absorption wavelength range for alcohols and ethers?
Which of the following statements about the absorption properties of saturated hydrocarbons is correct?
Which of the following statements about the absorption properties of saturated hydrocarbons is correct?
Why are saturated hydrocarbons considered ideal solvents for studying other compounds in the near UV (200 - 300 nm) region?
Why are saturated hydrocarbons considered ideal solvents for studying other compounds in the near UV (200 - 300 nm) region?
What is the primary reason that the absorption of saturated compounds containing heteroatoms (S, N, O, or halogens) is limited to the far UV region?
What is the primary reason that the absorption of saturated compounds containing heteroatoms (S, N, O, or halogens) is limited to the far UV region?
Which of the following compounds is most likely to have an absorption cut-off wavelength in the 200 - 220 nm region?
Which of the following compounds is most likely to have an absorption cut-off wavelength in the 200 - 220 nm region?
Why are saturated hydrocarbons considered to be transparent in the near UV (200 - 300 nm) region?
Why are saturated hydrocarbons considered to be transparent in the near UV (200 - 300 nm) region?
