4 2.3 In the reaction shown below, determine which product(s) predominate HN aq. HNO₂ H2SO4 HN HN HN NO2 + NO2 NO2 Question 3 [Nucleophilic Aromatic Substitution Reactions and Synthesis] 3.1 Provide the mechanism for the following reaction. COCH 3 COCH 3 F (CH3)2NH N(CH3)2 (5) (8)

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4. 5. Which compound will react faster with NaOCH3 in methanol (50°C)? A) A) C) O₂N A) C) CI B) LOCH3 A) A B) B C) C D) D N(CH3)2 Which compound will react faster with Br₂ in acetic acid? OCCH3 CI B) D) C) B) 6. Which of the following is an aromatic hydrocarbon? CH3O D) O₂N D) CI CF3 NO₂

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The following figure is a structural diagram for bakelite, a thermal set polymer: H2C CH₂ OH LOH CH₂ HO НО H2C H2C СН2- CH₂. OH ОН OH CH₂ HO LOH -OH CH₂ CH₂ -CH₂ OH

What is (are) the major organic product(s) obtained from the following reaction? Brz 1. (2R,3R)-dibromobutane 2. (2S,3S)-dibromobutane 3. meso-2,3-dibromobutane O only 1 and 2 O only 3 O only 2 O only 1

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