Absorbance can be found by taking the negative log of: O The intensity of the transmitted light divided by the initial light intensity O The initial light intensity multiplied by the concentration of the sample O The concentration of the sample multiplied by the path length and molar attenuation coefficient None of these

Organic Chemistry: A Guided Inquiry
2nd Edition
ISBN:9780618974122
Author:Andrei Straumanis
Publisher:Andrei Straumanis
Chapter7: Cycloalkanes
Section: Chapter Questions
Problem 15E
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Absorbance can be found by taking the negative log of:
The intensity of the transmilled light divided by the initial light intensity
O The initial light intensity multiplied by the concentration of the sample
O The concentration of the sample multiplied by the path length and molar attenuation coefficient
O None of these
Transcribed Image Text:Absorbance can be found by taking the negative log of: The intensity of the transmilled light divided by the initial light intensity O The initial light intensity multiplied by the concentration of the sample O The concentration of the sample multiplied by the path length and molar attenuation coefficient O None of these
Which of the following statements about the HOMO and LUMO of conjugated molecules is correct?
The energy gap between the HOMO and LUMO in conjugated molecules is greater than in unconjugated molecules.
resulting in the brilliant colors in the visible wavelength range.
When a conjugated molecule absorbs light, an electron transitions from the LUMO to the HOMO.
O The energy gap belween the HOMO and LUMO in conjugated molecules is smaller than in unconjugated molecules.
O None of these statements are correct.
1pts
Transcribed Image Text:Which of the following statements about the HOMO and LUMO of conjugated molecules is correct? The energy gap between the HOMO and LUMO in conjugated molecules is greater than in unconjugated molecules. resulting in the brilliant colors in the visible wavelength range. When a conjugated molecule absorbs light, an electron transitions from the LUMO to the HOMO. O The energy gap belween the HOMO and LUMO in conjugated molecules is smaller than in unconjugated molecules. O None of these statements are correct. 1pts
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