What would be the major product of the following reaction sequence? 03 Page
Page 1 1. What would be the major product of the following reaction sequence? ? 1. O3 2. (CH3)2S A) O O B) O C) H O O D) H H O O E) O Ans: A
What would be the expected product of the following reaction sequence? ◇。 C) Page2
Page 2 2. What would be the expected product of the following reaction sequence? O N H ? H+ - H2O + A) N + B) N OH C) N D) N E) O NH2 Ans: C
3.Indicate to which side,if any,the following equilibrium lies: HO、OH Hic-CCH, H20 H. A)To the right D)Reaction cannot occur B)To the left E)Adifferent product is formed C)Equally to right and left Ans:B Page3
Page 3 3. Indicate to which side, if any, the following equilibrium lies: H3C C CH3 O H3C C CH3 H+ HO OH + H2O A) To the right D) Reaction cannot occur B) To the left E) A different product is formed C) Equally to right and left Ans: B
4.What would be the major product of the following reaction? CH; re-oo CH: 、-CF H00-0 CH. 00 CH3 H Ans:D Page4
Page 4 4. What would be the major product of the following reaction? F3C C O OOH O CH3 CH3 ? A) HO CH3 CH3 O O C O CF3 B) O O CH3 CH3 C) O O O CH3 CH3 D) O CH3 CH3 O E) O CH3 CH3 O Ans: D
5.What product would you expect from the following reaction? 个+NHOH一 人 C OH Page5
Page 5 5. What product would you expect from the following reaction? O + NH2OH ? A) N OH B) O + - H3NOH C) N OH OH H D) O OH NH2 E) O NH2 Ans: A
6.What product would you expect from the following reaction?(Hint:In what form does the reactant actually exist?) o入 ”9 OH E) Ans:o- 人0H 7.What would be the best name of the following compound? 人CHO A)6-oxo-2-hexanone 5-oxohexanal oheoae 2-oxohexanal Hexan-5-one-1-al Page6
Page 6 6. What product would you expect from the following reaction? (Hint: In what form does the reactant actually exist?) HO O H ? CrO3 (CrVI) A) HO O OH O B) H O H O C) H O OH O D) O O E) HO OH Ans: D 7. What would be the best name of the following compound? CHO O A) 6-oxo-2-hexanone D) 1,5-dioxohexane B) 5-oxohexanal E) 2-oxohexanal C) Hexan-5-one-1-al Ans: B
8.Which of the following would react with Ag'under basic conditions? OOH CH.CH.CO.CH.CH o人0CH Ans:B 9.To which side(if any)would the following equilibrium lie? OH H,C=0+H,0 H-C-H OH }8 ualbrum product. C)Equally to the right and left Ans:B 10.What would be the proper name of the following molecule? CHO OH A)3-formyl-2-butanol xve ）23dimetroi2popanodl an-3-ol-1-al 1-methy 3-hvdroxy-2-methylbutanal Ans:C Page7
Page 7 8. Which of the following would react with Ag+ under basic conditions? A) O B) O OH C) CH3CH2CO2CH2CH3 D) O O E) O OCH3 Ans: B 9. To which side (if any) would the following equilibrium lie? HCH OH OH H2C O + H2O H+ A) To left D) Reaction cannot occur at all B) To right E) Equilibrium favors a different product. C) Equally to the right and left Ans: B 10. What would be the proper name of the following molecule? OH CHO A) 3-formyl-2-butanol D) 2,3-dimethylpropan-3-ol-1-al B) 2-(hydroxyethyl)propanal E) 1-methyl-3-formyl-1-propanol C) 3-hydroxy-2-methylbutanal Ans: C
11.What would you expect to result from the following reaction? CHO NaCN HCN CHO 3) CHO OH -CN E) CN ○-cN Ans:D 12.Indicate which side.if any,would be favored in the reaction shown below 之 A)To the right B) To the left C) Equally to both sides This reaction cannot occur E) A different product would be favored. Ans:A Page8
Page 8 11. What would you expect to result from the following reaction? CHO NaCN HCN ? A) CHO OH B) C OH H OH C) CHO D) C OH H CN E) C CN H CN Ans: D 12. Indicate which side, if any, would be favored in the reaction shown below. HO O H O OH A) To the right B) To the left C) Equally to both sides D) This reaction cannot occur E) A different product would be favored. Ans: A
13.Predict the major organic product of the following reaction sequence 1)(Ph)3P 2)NaH Benzaldehyde Page9
Page 9 13. Predict the major organic product of the following reaction sequence. Br 1) (Ph)3P 2) NaH 3) Benzaldehyde ? A) B) C) D) E) Ans: D
14.What is the major organic product of the reaction below? H MCPBA d6 c 8 08 c 05 Page 10
Page 10 14. What is the major organic product of the reaction below? O CH3 MCPBA CH2Cl2 ? A) OH CH3 HO B) O O CH3 C) CH3 O D) O O CH3 E) O CH3 O Ans: D