Biochemistry - Spectroscopy

Exercise :: Spectroscopy - Section 1

  • Spectroscopy - Section 1
6. 

Which of the following is not an IR vibrational mode?

A. Stretching
B. Scissoring
C. Rocking
D. Rolling

Answer: Option D

Explanation:

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7. 

Which of the following will oscillate the fastest?

A. A large mass on a weak spring
B. A large mass on a stiff spring
C. A small mass on a stiff spring
D. A small mass on a weak spring

Answer: Option C

Explanation:

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8. 

In the equation, A = ε bc, what quantity is represented by "ε"?

A. Absorbtivity
B. Molar absorbtivity
C. Path length
D. None of these

Answer: Option B

Explanation:

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9. 

Why must the voltage supplied to a tungsten lamp be very stable?

A. Because if it wasn't, the lamp would bum out
B. Because amount of energy the lamp emits is proportional to the fourth power of the operating voltage
C. Because the lamp will only function at a specific voltage
D. All of the above

Answer: Option B

Explanation:

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10. 

Where does a carbonyl (C=0) stretch appear in an IR spectrum?

A. 1740-1720
B. 1870-1650
C. 3640-3250
D. 160-110

Answer: Option B

Explanation:

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