CHE202 - Practice Exam 2 Key

CHE202 - Practice Exam 2 Key - CHE 202B/204B Practice Exam...

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CHE 202B/204B Practice Exam 2 03-21/28-09 A CHART of Possible product and reagents Will be provided to you for exam 2 . Use your book and Notes for practice exam 2 Student Name: ANSWER KEY Student #: Please have your Student ID ready. Score Card FOR GRADERS ONLY Part A (50 pts) = -------------------- Part B (30 pts) = -------------------- Part C (30 pts) = -------------------- Part D (40 pts) = -------------------- Bonus ( 10 pts) = -------------------- Total (150 points) =--------------- Answer Questions 1-20 in the grid below (50 points) A B C D 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
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CHE 202B/204B Practice Exam 2 03-21/28-09 A CHART of Possible product and reagents Will be provided to you for exam 2 . Use your book and Notes for practice exam 2 Please answer all questions IN THE ANSWER GRID-PAGE 1 Part A (16 questions, 2.5 pt each) 1) In electrophilic aromatic substitution reactions, a cyano substituent on the aromatic ring is: A) a deactivator and a m-director. B) a deactivator and an o,p-director. C) an activator and a m-director. D) an activator and an o,p-director. 2) How many pairs of degenerate π molecular orbitals are found in benzene? A) 6 B) 2 C) 4 D) 3 3) In the molecular orbital representation of benzene, how many π molecular orbitals are present? A) 1 B) 2 C) 4 D) 6 4) How many pairs of degenerate π molecular orbitals are found in cyclopentadiene anion? A) 4 B) 1 C) 2 D) 3 5) How many electrons populate the π molecular orbitals of the allyl radical? A) 0 B) 1 C) 2 D) 3 6) Cyclic hydrocarbons which can be represented as structures containing alternating single and double bonds are called __________. A) Annulenes B) Benzynes C) Polycyclenes D) None of the above 7) Which substrate would react most rapidly in an S N 2 reaction? A) CH
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This note was uploaded on 10/10/2010 for the course CHE 202 taught by Professor Richard during the Spring '05 term at SUNY Buffalo.

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CHE202 - Practice Exam 2 Key - CHE 202B/204B Practice Exam...

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