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09_mid_266_v1_ans - Name ID Number Chemistry 266 Midterm...

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Name: __________________________ ID Number: ______________________ Chemistry 266 Midterm Test 2009 (Test Master 1) 1. Which of the following pairs of structures are valid resonance structures of each other? N O O O H i O CH 2 H 3 C and O CH 2 H 3 C ii and N O O O H iii CH 2 H 3 C and CH 2 H 3 C CH 2 H 3 C 10 electrons n o nitrogen shoul b d e 26% A i and iii B ii and iii C i, ii and iii Answer D 61% D i only 2. For the following compound, the hybridizations of the atoms labeled 1 and 2 are best described as: A 1, sp 2 and 2, sp 3 90% B 1, sp and 2, sp 3 C 1, sp 2 and 2, sp 2 Answer B D 1, sp and 2, p 3. Many compounds contain more than one functional group. For the following molecule, the functional groups present are: H 3 C O C CH 3 CH 3 O CH 2 OH O ester ketone alcohol A alcohol, carboxylic acid, and ketone 89% B alcohol, ester, and ketone C aldehyde, carboxylic acid, and ester D alcohol, aldehyde, and ketone
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