1.6 0.7 1.4 D 0.6 1.2 Soret 0.5 0.4 0.8 COOCH 0.3 0.6 phytyl bacteriochlorophyll a 0.2 0.4 Qx 0.1 0.2 700 750 800 850 900 2 (nm) 300 400 500 600 700 800 2 (nm) Figure 4.7 Absorption (left) and fluorescence (right) spectra of bacteriochlorophyll a in diethyl ether Look at this figure from Blankenship's book, Molecular Mechanisms of Photosynthesis. You can see the structure for bacteriochlorophyll a, along with its absorption spectrum. a. What is the molecular shape around the labeled carbon atom? b. What is the hybridization around that same carbon? c. Based on this structure, would you expect this molecule to absorb light in the visible spectrum? Why or why not? Absorbance Fluorescence (Arbitrary units)
1.6 0.7 1.4 D 0.6 1.2 Soret 0.5 0.4 0.8 COOCH 0.3 0.6 phytyl bacteriochlorophyll a 0.2 0.4 Qx 0.1 0.2 700 750 800 850 900 2 (nm) 300 400 500 600 700 800 2 (nm) Figure 4.7 Absorption (left) and fluorescence (right) spectra of bacteriochlorophyll a in diethyl ether Look at this figure from Blankenship's book, Molecular Mechanisms of Photosynthesis. You can see the structure for bacteriochlorophyll a, along with its absorption spectrum. a. What is the molecular shape around the labeled carbon atom? b. What is the hybridization around that same carbon? c. Based on this structure, would you expect this molecule to absorb light in the visible spectrum? Why or why not? Absorbance Fluorescence (Arbitrary units)
Chapter82: Physical Constants Of Liquids: The Boiling Point And Density
Section: Chapter Questions
Problem 5P
Related questions
Question
Transcribed Image Text:PHOTOSYNTHETIC PIGMENTS
1.6
0.7
1.4
Qy
CH
0.6
1.2
Soret
0.5
1
H
0.4
0.8
0.3
COOCH
0.6
phytyl bacteriochlorophyll a
0.2
0.4
Qx
0.1
0.2
300
400
500
600
700
800
700 750 800 850 900
2 (nm)
2 (nm)
Figure 4.7 Absorption (left) and fluorescence (right) spectra of bacteriochlorophyll a in diethyl ether
5. Look at this figure from Blankenship's book, Molecular Mechanisms of Photosynthesis.
You can see the structure for bacteriochlorophyll a, along with its absorption spectrum.
a. What is the molecular shape around the labeled carbon atom?
b. What is the hybridization around that same carbon?
c. Based on this structure, would you expect this molecule to absorb light in the
visible spectrum? Why or why not?
Absorbance
Fluorescence (Arbitrary units)
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