200301F - Total of 60 questions Chem267 Final W03...

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Total of 60 questions Chem 267 Final W03 Universify of Waterloo Final Examination Winter 2003 Student Name: (Print) Student ID Number Course Number Course Title Instructor Date of Exam Time Period Chem267 Basic Organic Chemistry 2 S.P. Forsey April 22,2003 9:00 a.m. - 12:00 noon Dr:ration of Exam 2 hours (but anyone wishing to use the entire 3 hour time period may do so) Number of pages l8 (including this cover sheet) Closed book Exam Type Additional Materials allowed model kits The examination consists of 60 multiple choice answer questions in which you pick one of the possible choices as correct. The last page has tables of useful IR and NMR dataas well as a small periodic table. Use a pencil only on the computer card Under I.D Number put your student I.D. number. (Don't forget to fill this in!!) Under Sectiori Number - leave blank do not put anything Under Answer Field - use questions I - 60 Please note: Make certain that all of your answers are properly indicated on the computer card. Only the answers marked on the computer card will be considered in arriving at your final exam mark. Do not submit the question papers.
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Total of 60 questions Chem 267 Final W03 I ) Which nitrogen-containing compound or ion has the most basic nitrogen? A) NH4 , B) (CHg)zNH C) NF3 D) N=N E) CoHs-NHz List the follow acids from the strongest to the weakest. 2) 3) A) B) c) €') E) 1) Hr 2) HF 3) CH3COzH 4) CH3OH S) $oH OH or*b I \AO I I \ -,\_ L.' 2 F3C-r, NH2 2 -A*r, o ,\ I t\ tt )r o a J )" L- .) 5 o i-o J- /\ 4 A) 1>2>3>4>5 B) 3> 4 > 2> 5 c) 5>4>3>t>2 p\ 2>l>5>3>4 [9y 7>2>3>s>4 t>2>3 2>1>3 9, 3>2>1 \ry 2>3>r E) t>3>2 4>3> l>2 2>4>3>t O 4>2> 3 I D) >2>4 2>4>l>3 3>2> | eQQ) 2>r>3 3>l>2 2>3>l 4) 5) List the following from the strongest to the weakest base. 2>3>4>l>5 4>l>5>3>2 5>l>4>2>3 l)HC:c- z)cH3cHz- 3)H2c:cH- 4)cH3o- 5)CH3NH2 2>3 >5> l>4 4>5>1>3>2 List the following bases from the strongest 6) o NHz
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H o 5 By applying Huckel's rule, which of the following ions are aromatic? .J ,a-.=\ I 9) The sketch at the right represents the neutral pynole ring wherein all atoms are sp'hybridized and the p orbitals with suitable electron overlap to form an aromatic ring. The solid dark lines - ildicate the overlapping of the p orbitals. How should we complete the sketch at the nitrogen atom to correctly represent pynole? Total of 60 questions Chem 267 Final W03 7) List the following bases from the strongest to the weakest. A) B) c) .,D)., Lel' e) D) E) -a a- 2 +J- illl \./ J + \}_-/ 4 ( I l>4 >3> 5>2 3>4>1>2>5 4>3>2>l>5 5>3>4>2>l 3> 4>2> 1 > 5 \_,,** J ONH \-J 4 8) od t /^f It 1 I' t\ \\ only 3 only I and 2 only 2 and 3 only 2,3 and 4 all are aromatic t /I ,t 'mim$""l 10) A) draw un spt orbital with one electron in it Q) Ara* un sp' orbital with two electrons in it C) draw a single bond to H D) draw avacant sp'orbital and put a positive charge on the nitrogen E) draw a p orbital with two electrons in it Which of the rings in the following compounds are aromatic?
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200301F - Total of 60 questions Chem267 Final W03...

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