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31 Multiple Choice Problems: 16 questions, 4 pts each =64 total. 1. Circle optically active molecules from the list below: HO

6. Below is hydrohalogenation reaction of alkene. Name the mechanism pattern in each step. Br Br H Br - Step 1: Less +2 protn

Sign of AH Sign of AS= 8. Rank the stability of those carbocations iii iv ii i 1 2-3<i

31 Multiple Choice Problems: 16 questions, 4 pts each =64 total. 1. Circle optically active molecules from the list below: HO Br H Br H HC 2. What is the relationship of the following two molecules, one in bond-line structure and one in Fischer projection? Br Me Me Cl CA Br Same molecule with same rotational conformation a. b. Same molecule with different rotational conformation C. Constitutional isomers d. Enantiomers Diastereomers e. Identify the resonance pattern for the following curved arrow(s) without giving the resonance structure. 3.
6. Below is hydrohalogenation reaction of alkene. Name the mechanism pattern in each step. Br Br H Br - Step 1: Less +2 protn tafe Step 2: Step 3: Auu atacks following elimination reaction:
Sign of AH Sign of AS= 8. Rank the stability of those carbocations iii iv ii i 1 2-3
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1 Circle optically active molecules from the list below: LA OH HO 2 What is the relationship of the following two molecules,

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