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8. What is the major product of the following reaction?
(A) I
(B) II
(C) III
(D) IV
(E) V

答案：登入後查看
統計： A(5), B(1), C(4), D(18), E(0) #937817

其他試題

4. Which of the following carboxylic acids would undergo decarboxylation readily when heated? (A) I (B) II (C) III (D) IV (E) II and III

5. Two products can be obtained from the reaction below. One of the product is 2-Butanone. What is the most likely structure for the second product from the reaction? (A) (B) (C) (D) (E)

6. The aldol cyclization, followed by dehydration of 5-oxo-hexanal will give which product below. (A) (B) (C) (D) (E)

7. Predict the major structure of the expected product for the following reaction. (A) I (B) II (C) III (D) IV (E) V

9. Which of the following reaction sequences would convert 2-butanol into 2-deuterobutane? (A) 1. H2SO4, heat 2. BD3 in THF, then H2O2, NaOH (B) 1. H2SO4, heat 2. D2, Pd/C (C) 1. PBr3 2. Mg/ether, then D2O (D) 1. PBr3 2. NaOD, then D2O (E) 1. PBr3 2. NaD in hexane

10. Which of the following factors has NO effect on the rate of SN1 reactions? (A) the nature of the alkyl halide (B) the nature of the leaving group (C) the concentration of the alkyl halide (D) the concentration of the nucleophile (E) the value of the rate constant

11. What is the expected major product of the following reaction sequence? (A) I (B) II (C) III (D) IV (E) V

12. What is the expected major product of the following reaction sequence? (A) I (B) II (C) III (D) IV (E) V

13. Which one of the following compounds is NOT a product of reaction between 1,3-butadiene and HBr? (A) S-3-bromo-1-butene (B) R-3-bromo-1-butene (C) E-1-bromo-2-butene (D) Z-1-bromo-2-butene (E) Z-2-bromo-2-butene

14. Predict the major product for the following reaction.(A) I (B) II (C) III (D) IV (E) V

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