CHE 301 EXAM 5 Spring 2016.pdf - Name_key Date Hampton University Organic Chemistry CHE 301 EXAM 5 Fall 2016 CHE 301-01 Bump CHE 301-02 Nwokogu Part

CHE 301 EXAM 5 Spring 2016.pdf - Name_key Date Hampton...

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Name______ key ________________ Date__________________________ Hampton University Organic Chemistry CHE 301 EXAM 5 Fall 2016 CHE 301-01 CHE 301-02 Bump Nwokogu Part 1 (1-10) ___________ x 4 = ______/40 Part 2 11 ______/30 12 ______/10 Reading 13 ______/20 Bonus 14 ______/10 TOTAL __________
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Name______ key ________________ Date__________________________ Part 1 – Multiple Choice Directions: Circle or darken the letter that corresponds to the BEST answer. There is only one BEST answer for each question. (4 pt. @) 1 The molecular ion peak in the spectrum below is at m/z = 136. The relative intensities of the molecular ion and the M+2 peak is indicative of the presence of which element? (a) oxygen (c) chlorine (b) sulfur (d)bromine 2 Which of the following statements best describes the basepeak in a mass spectrum?
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Name______ key ________________ Date__________________________ 3 What is the multiplicity of the pmr signal for the indicated proton? sextet 4 How many carbon resonances will be observed in the cmr spectrum of the compound below? 5 Which one of these methyl protons will have the highestchemical shift? (a) CH3-Br (b) CH3-Cl (c)CH3-F (d) CH 3 -I 6 What effect does conjugation typically have on the frequency at which absorption by C=C occurs? 7 Which one of these types of information cannotbe obtained from a 1H NMR spectrum?
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Name______ key ________________ Date__________________________ 8 The amount of energy in infrared light corresponds to:
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