Practice exam 1 herriot - Sample exam questions for First...

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Page 1 Sample exam questions for First exam – CHM 2211 1. The IR absorption due to the stretching of which of these carbon-hydrogen bonds occurs at the highest frequency? I II III IV V H H H H H A) I B) II C) III D) IV E) V 2. How many signals would you expect to find in the 1 H NMR spectrum of CH 3 OCH 2 CH 2 OCH 3 ? A) 1 B) 2 C) 3 D) 4 E) 5 3. Which proton(s) of the compound below would appear as a triplet in the 1 H NMR spectrum? V IV III CH 3 CH 2 CH 2 -O-CH I II I CH 3 CH 3 A) The protons on carbon II B) The protons on carbon I and V C) The protons on carbon III and V D) The protons on carbon III and IV E) The protons on carbon V
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4. A compound with the molecular formula C 6 H 15 N gave the following 1 H NMR spectrum: triplet, δ 0.90 quartet, δ 2.4 There were no other signals. The most likely structure for the compound is: A) CH 3 NCH 2 CH 3 CH 2 CH 2 CH 3 B) CH 3 NCH 2 CH 2 CH 2 CH 3 CH 3 C) CH 3 CH 2 CH 2 CH 2 CH 2 CH 2 NH 2 D) CH 3 CH 2 NCH 2 CH 3 CH 2 CH 3 E) CH 3 CH 2 CH 2 NCH 2 CH 2 CH 3 H 5. How many 13 C signals would 1,2-dimethylbenzene give? A) 1 B) 2 C) 3 D) 4 E) 5 6. The data below from the molecular ion region of the mass spectrum of a halogen- containing compound are consistent with the presence of what halogen(s) in the original compound? intensity
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This note was uploaded on 02/10/2011 for the course CHEM 2420 taught by Professor Staff during the Spring '08 term at Univeristy of Wyoming- Laramie.

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Practice exam 1 herriot - Sample exam questions for First...

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