Ans Sample ex2 - 1. Which reagent would be used to reduce...

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1. Which reagent would be used to reduce an acid chloride to an aldehyde? A. NaBH 4 B. LiAlH(OtBu) 3 C. LiAlH 4 D. FeCl 3 2. What will be the product of the following reaction (before any aqueous work-up)? 3. What is the product of the following reaction? 4. What is the product of the following reaction?
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5. What is the product of the following reaction? 6. What is the product of the following reaction? D. A and B 7. What is the product of the following reaction? 8. What is the product of the following reaction?
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9. What is the product of the following reaction? 10. What is the product of the following reaction? 11. What is the product of the following reaction? 12. What is the missing reagent in the reaction below? A. [1] Mg, [2] CO 2 , then acid B. [1] CO 2 , [2] NaOH C. [1] CO 2 , [2] Acid D. LiAlH 4 13. What is the missing reagent in the reaction below? A. Et 2 CuLi then H 2 O B. EtMgBr then H 2 O C. NaBH 4 D. Pd/C
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14. What is the missing reagent in the reaction below? A. PhMgBr B. Benzene, AlCl 3 C. Ph 2 CuLi D. PhLi 15. What is the missing reagent in the reaction below? A. EtMgBr B. Et 2 CuLi C. LiAlH 4 D. EtLi 16. What is the starting material in the reaction below? A. Bromobenzene B. Benzyl bromide C. Benzoic acid D. Lithium benzoate 17. What is the missing reagent in the reaction below? A. NaBH 4 B. DIBAL-H C. H 2 , Pd/C D. LiAlH 4
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18. What is the starting material in the reaction below? 19. Rank the following compounds in order of increasing reactivity toward the nucleophilic hydride reagent, NaBH 4 . A. 1 < 2 < 3 B. 3 < 2 < 1 C. 2 < 3 < 1 D. 2 < 1 < 3 20. The behavior of acid chlorides is different from that of aldehydes in a reaction with a nucleophile because A. there is a better leaving group on the acid chloride.
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Ans Sample ex2 - 1. Which reagent would be used to reduce...

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