n--myUTEP ×B5 >OZ Mail-brg ×CChegg Study Guided ×Yu 9 The strongest absorpti My
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n--myUTEP ×B5 >OZ Mail-brg ×CChegg Study Guided ×Yu 9 The strongest absorpti My Dashboa Homework assignment nlfrared Pre-Lab Quiz 1 lide 1 PowerPointPresentatic R Absorptions for Rep/X ilson@miners. X X × × organic.utep.edu/moodle/mod/quiz/attempt.php?attempt 9191 NEW organic Benjamin R. Gilson Question Not yet answered Marked out of 1.00 The Force or Stiffness Constant used to calculate Infrared frequencies is estimated by? Select one a. the number of bonds to an atom b. the reduced mass c. the reciprocal of the reduced mass d. the number of bonds in a molecule e. the number of bonds between two atoms O Flag question O Question 8 Not yet answered Marked out of 1.00 The strongest absorptions observed in Infrared spectra are due to? Select one O a. double bonds O b. carbonyls O C. triple bonds O d. carbon hydrogen bonds Flag question Question Not yet answered Marked out of 7.00 Match the functional group to its frequency range C N 2260-2100 Flag question N-H 3500-3140 O-H 3650-2500 C C 2260-2100 C=O 1740-1630 C=C 1680-1500 C-H 3300-2700 Question 10 The Infrared bending and twisting frequencies, which constitute the "fingerprint" of a molecule, are found mostly between? Not yet answered Select oneExplanation / Answer
7. Option B, reduced mass
8. Option D, carbon hydrogen bonds
9. Already matched
10. Bending vibrations observed in finger print region.
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