W02 quiz5a key

W02 quiz5a key - Chem 30B Quiz #2 Name (please print):_...

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H Cl H H 12 3 4 H H OH 5 Chem 30B Quiz #2 Name (please print):_____________________________________ ID#__________________________ L a s t F i r s t Section:__________________ TA (circle one): Jennifer Ryan Martha Adam Rebecca 1. (5 points) Draw the structure of (2 R )-2-hydroxy-3,3-dimethyl-5-heptyne. CH 3 OH 2. (5 points) In the spaces provided, please arrange the following compounds in order of acidity from least acidic to most acidic. ____2 _____ < ____3 _____ < ____4 _____ < ____5 _____ < ____1 _____ Extra Credit: (5 points) Give the pK a ’s of compounds 2 and 4 to within 5 pK a units. 2:____45-55 ________ 4:______20-30
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