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Midterm

Chemistry 2223B Study Guide - Midterm Guide: Lyxose, Galactose, Acetyl Group


Department
Chemistry
Course Code
CHEM 2223B
Professor
Brian Pagenkopf
Study Guide
Midterm

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Chemistry 223b Midterm, March 2008 Page 1
Please ensure that you have entered code 000 on your answer sheet.
1. Suppose Schrodinger owned a big, fluffy cat that appeared white under sunlight.
If the cat was placed in a room that was illuminated with only green light, what
colour would the cat appear?
A) Green
B) Red
C) White
D) Black
E) Violet
2. Which one of the following molecules has the smallest HOMO-LUMO gap?
A)
B)
C)
D)
E)

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Chemistry 223b Midterm, March 2008 Page 2
3. The spectral data produced by a UV-visible spectrometer is typically a plot of…
A) Absorbance as a function of wavelength
B) Wavelength as a function of time
C) Fluorescence as a function of wavelength
D) Absorbance as a function of fluorescence
E) Fluorescence as a function of time
4. What is the non-radiative photophysical process indicated below?
S
0
S
1
T
1
A) Internal conversion
B) Vibrational cooling
C) Fluorescence
D) Phosphorescence
E) Excitational cooling

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Chemistry 223b Midterm, March 2008 Page 3
5. The coloured form of the acid-base indicator phenolphthalein has two negative
charges. Which one of A – E is NOT a correct resonance structure of the rest?
A) O
O
O
O
B) O
O
O
O
C) O
O
O
O
D) O
O
O
O
E) O
O
O
O
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