Answers Test 1 2204-6-81 (2)

Answers Test 1 2204-6-81 (2) - Chemistry 2204/6/8 Summer...

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Chemistry 2204/6/8 Summer 2010 Test 1 Name: ABENOR Marks are in parentheses 1 (3) For each of the molecules shown below, circle the imine functionality. What is the hybridization state of the nitrogen atom? sp 2 O C O - C H N H C H 2 N C 2a (6) Draw the corresponding enolate of each ketone/aldehyde in each case. Name the parent ketone/aldehyde in each case. 3,3-dimethyl-2-hexanone O O enolate enolate H base base O - - O H (3 E )-hexanal 2b (1) Rank the following 3 molecules with respect to oxidation level = number of bonds to an electronegative atom - alkenes are at the same oxidation level as alcohol; alkynes are at the same oxidation level as carbonyl (1) highest (3) lowest HO HO OH O 3 1 2 3a (8) Show the reagents necessary for each reaction. O HO OH O O H OH H 3 C O H H 3 CO H O O ALDOL reaction OH 1. 2. and dehydration CH3MgBr H+ H2O H+ H+ or -OH heat ERROR 2 free marks O H OH H 3 CO H O CH3OH H+ CORRECTED
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3b (8) Show the starting material which would lead to product. CF
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Answers Test 1 2204-6-81 (2) - Chemistry 2204/6/8 Summer...

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