Organic halogen compounds preparation properties substitution mechanisms - Question Bank
1. Which of the following statements about SN2 reactions is INCORRECT?
2. The addition of HBr to propene in the presence of peroxides follows:
3. The product of the reaction between 1,1-dichloroethane and aqueous KOH is:
4. Carbylamine reaction is used to test for the presence of:
5. Which reagent is used to convert primary alcohols to primary alkyl chlorides?
6. The reaction of ethyl iodide with silver acetate yields:
7. Which of the following is a characteristic of SN1 reactions?
8. The reaction of chlorobenzene with sodium hydroxide in the presence of cuprous oxide at high temperature and pressure yields:
9. The relative order of reactivity of alkyl halides towards SN2 reactions is:
10. Which of the following is a method for preparing alkyl bromides from alcohols?
11. The SN2 reaction proceeds with:
12. Which of the following is an example of an aryl halide?
13. The reaction of an alkyl halide with magnesium in dry ether produces:
14. Which of the following is the most important factor determining the reactivity of an alkyl halide in nucleophilic substitution?
15. The product of the reaction of chloroform with alcoholic KOH and heating is:
16. Which of the following conditions favors SN1 reactions over SN2 reactions?
17. The Hoffman bromination reaction is used to convert an amide into:
18. Which mechanism involves a concerted, one-step process?
19. The conversion of aryl halides to phenols is carried out by:
20. Which of the following is an example of a vicinal dihalide?
21. The rate of SN2 reaction is increased by:
22. When an alkyl halide reacts with silver nitrite (AgNO2), the main product is:
23. Which of the following is a benzylic halide?
24. The Wurtz reaction involves the reaction of:
25. Which type of halide is least reactive towards nucleophilic substitution?
26. The reaction of an alkyl halide with ammonia typically leads to:
27. Which of the following reagents can convert phenol to chlorobenzene?
28. In the SN1 mechanism, the rate-determining step is the:
29. Which of the following is NOT a method for preparing alkyl halides?
30. The reaction of a vicinal dihalide with zinc dust produces:
31. The Gattermann reaction is similar to the Sandmeyer reaction but uses:
32. Which of the following alkyl halides will undergo SN1 reaction most readily?
33. The Williamson ether synthesis involves the reaction of:
34. Which of the following is a characteristic feature of SN2 reactions?
35. What is the product when bromoethane reacts with sodium hydroxide solution?
36. The reaction of an alkyl halide with alcoholic KOH leads to:
37. Which of the following is the most stable carbocation intermediate in SN1 reactions?
38. The Dow process is used for the preparation of:
39. Which of the following solvents favors SN1 reactions?
40. The Sandmeyer reaction is used to introduce which functional group onto an aromatic ring?
41. Which of the following is an example of an allylic halide?
42. The rate of SN1 reactions depends on:
43. Which of the following is the most reactive alkyl halide towards SN2 reactions?
44. In SN2 reactions, the nucleophile attacks from the backside, leading to:
45. Which of the following is a characteristic reaction of alkyl halides?
46. The reaction of an alkene with HBr in the presence of peroxides follows which rule?
47. Finkelstein reaction is used to prepare alkyl iodides from alkyl chlorides or bromides using which reagent?
48. Which reagent is commonly used to convert a carboxylic acid into an acyl chloride?
49. The reaction of an alkyl halide with sodium ethoxide in ethanol is an example of which type of reaction?
50. Which of the following is the most common method for the industrial preparation of chlorobenzene?