HE1Key - rnitrats kCY CHEMISTRY 152 Summer Session l,2OO7...

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Unformatted text preview: rnitrats kCY CHEMISTRY 152 Summer Session l,2OO7 May 29,2007 HOUR EXAMINATION I auestion Points Sc I I I I I I I V V V I V I I 30 20 45 l 0 t 0 20 l 5 TOTAL r50 Exam Begins Here I . ( 3 0 p o i n t s ) . I n t h e a n s w e r a r e a b e l o w , d a r k e n t h e s p a c e o f t h e m o s t a p p r o p r i a t e r e s p o n s e t o e a c h o f following multiple choice questions. ANSWERS TO OUESTION I 4 5 . 6. l . 2. 3 . a , b c d I e , a b t c , d e , \<e. Y Initials l. Which is the correct order of decreasing acidity of the following compounds? Hzo n, ho* ts A @n>r>c>D>B cH3cH3 5.' B H H H 4 a H D fl-----fl 2 g E N H s 3s c 2. b. A>E>D>B>C c. E>A>C>D>B d. A>C>E>D>B e. E>D>B>A>C What organic product results when acetylene (ethyne) is treated with 6N aqueous sodium hydroxide? a. sodium acetylide salt b. an enol c. an alcohol d. an aldehyde \ @ not much reaction - most (>99Vo) of the acetylene remains unchanged Which of the following compounds is aromatic? 3 . 4. f^1'\ e-Tz\a\ \)=/ v&\2 r'\t-\ Z\r\ \)'') \-(2 a . A b . B c . C @D e . E Which of the following undergoes solvolysis is water most rapidly? Br I \J . \ il) \-/ I Br B r-r'' \? A E D c A B C D E Initials 5. Which of the following reacts most slowly during nitration? r,\7ocus fi7NHz .,of t w\2\) ri\rcH' /-\rct \2 \) A B C D E a . A b . B c . C d . D @E 6. Which of the following statements is NOT true about...
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This note was uploaded on 04/01/2008 for the course CHEM 152 taught by Professor Baldwin during the Spring '08 term at Duke.

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HE1Key - rnitrats kCY CHEMISTRY 152 Summer Session l,2OO7...

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