2004winter-midterm01bsolns

2004winter-midterm01bsolns - Name: _ ID# _ 01-27-04...

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Name: ________________________ ID# _________________ 01-27-04 1 Chemistry 140C (Tor) Winter 2004 - 1st Midterm Exam (V.2) This exam accounts for 25% of the final grade. Time 11:00 AM – 12:15 PM. Mark your final answer clearly and completely erase irrelevant information! Remember: Exams written in pencil will not be regraded! Additional pages are at the end for your convenience. Please indicate if your final answer should be found at the end of the exam. Good Luck! Your Name (Please Print):____ KEY _____________________ Your ID # : _____________________________ Question # 1:. ...................................................................... /18 Question # 2:. ...................................................................... /40 Question # 3:. ...................................................................... /26 Question # 4:. ...................................................................... /30 Question # 5:. ...................................................................... /16 Question # 6:. ...................................................................... /20 Total ...................................................................................... /150
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Name: ________________________ ID# _________________ 01-27-04 2 1. Treatment of cyclopentanone with excess 18 O-labeled water (H 2 18 O) leads to the incorporation of 18 O into the ketone to give 1 as shown: H + H 2 18 O H 2 O O 1 18 O Write a detailed stepwise mechanism that accounts for the formation of product 1 . (HINT: Recall the reversibility of all steps). See key to version 1 for an identical mechanism. The only difference: cyclopentatnone vs. cyclohexanone.
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Name: ________________________ ID# _________________ 01-27-04 3 2. For each one of the following reactions, circle the product that is formed.
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This note was uploaded on 04/14/2009 for the course CHEM140C 234234 taught by Professor Nefzi during the Spring '09 term at UCSD.

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2004winter-midterm01bsolns - Name: _ ID# _ 01-27-04...

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