HALOALKANES AND HALOARENES 0% 0 Halogens and Haloarenes 1 / 78 1. Fully fluorinated compounds are considered potential substitutes for what in surgery? A) Blood B) Solvents C) Antibiotics D) Anesthesia 2 / 78 2. Which synthetic halogen compound is primarily used for the treatment of malaria? A) Thyroxine B) Halothane C) Chloroquine D) Chloramphenicol 3 / 78 3. As you go down the group in the periodic table, what happens to the carbon-halogen bond length in alkyl halides? A) It decreases B) It increases C) It fluctuates unpredictably D) It remains the same 4 / 78 4. In allylic halides, the halogen is attached to a carbon that is: A) Adjacent to a carbon-carbon triple bond B) Not adjacent to any double bonds C) Adjacent to a carbon-carbon double bond D) Part of a carbon-carbon double bond 5 / 78 5. What is the IUPAC name for the compound with the common name m-Dibromobenzene? A) 1,5-Dibromobenzene B) 1,3-Dibromobenzene C) 1,2-Dibromobenzene D) 1,4-Dibromobenzene 6 / 78 6. Structure (v) is named as which of the following in IUPAC nomenclature? A) 2-Bromo-3-methylpropene B) 3-Bromo-2-methylpropene C) 3-Bromo-1-methylpropene D) 1-Bromo-3-methylpropene 7 / 78 7. In the IUPAC system of nomenclature for alkyl halides, the names are based on: A) The common name of the alkyl group followed by the halide B) The alphabetical order of the substituents C) The halosubstituted hydrocarbons D) The length of the carbon chain only 8 / 78 8. The addition of halogens like bromine to an alkene results in: A) A change in the color of the bromine solution with the double bond intact B) The formation of an alkene with a higher molecular weight C) The disappearance of the double bond and a change in the color of the bromine solution D) No change in the color of the bromine solution 9 / 78 9. What type of hybridized carbon atoms are present in the structure of haloarenes? A) sp4 hybridized B) sp hybridized C) sp3 hybridized D) sp2 hybridized 10 / 78 10. Which of the following carbon-halogen bonds has the highest bond enthalpy? A) C-Cl B) C-I C) C-F D) C-Br 11 / 78 11. The classification of mono-, di-, or polyhalogen compounds depends on A) The number of halogen atoms in the compound B) The number of nitrogen atoms in the compound C) The number of carbon atoms in the compound D) The number of oxygen atoms in the compound 12 / 78 12. What deficiency disease is caused by the lack of thyroxine hormone in the body? A) Typhoid fever B) Malaria C) Surgery D) Goiter 13 / 78 13. Which type of carbon-halogen bond is typically formed in alkyl halides or haloalkanes? A) sp C-X bond B) sp3 C-X bond C) sp3d2 C-X bond D) sp2 C-X bond 14 / 78 14. The common name for CH2​=CHCl is: A) Ethylene chloride B) Vinyl chloride C) Chloroethene D) Allyl chloride 15 / 78 15. In alkyl halides (haloalkanes), halogen atoms are attached to which type of carbon atom? A) sp2 hybridized B) sp3 hybridized C) sp hybridized D) sp4 hybridized 16 / 78 16. In the naming of dihalogenated benzene, what do the prefixes o-, m-, and p- represent in the common naming system? A) The presence of a functional group B) Ortho, meta, and para positions relative to each other C) The type of halogen atoms D) The number of halogen atoms 17 / 78 17. Which of the following compounds is an example of an aryl halide (haloarene)? A) Chloramphenicol B) Thyroxine C) Chloroquine D) Halothane 18 / 78 18. Based on Table 6.2 (in previous question), what is the dipole moment of the carbon-bromine bond? A) 1.860 Debye B) 1.847 Debye C) 1.636 Debye D) 1.830 Debye 19 / 78 19. The reaction of alcohols with thionyl chloride (SOCl₂) produces: A) Alkyl chloride, sulfur dioxide, and water B) Alkyl chloride, phosphorus pentachloride, and water C) Alkyl chloride, sulfur trioxide, and hydrogen chloride D) Alkyl chloride, sulfur dioxide, and hydrogen chloride 20 / 78 20. A monohaloalkane is characterized by: A) One halogen atom attached to each carbon in the chain B) A single ring structure with one halogen C) One halogen atom attached to an aliphatic carbon chain D) Multiple halogen atoms attached to an aromatic ring 21 / 78 21. An alkyl halide is classified as primary (1°) when the halogen is attached to: A) A carbon atom that is bonded to no other carbon atoms B) A carbon atom that is bonded to one other carbon atom C) A carbon atom that is bonded to two other carbon atoms D) A carbon atom that is bonded to three other carbon atoms 22 / 78 22. In the context of vinylic halides, what does sp2 hybridization imply about the carbon to which the halogen is bonded? A) The carbon is part of a carbon-carbon double bond. B) The carbon is part of a carbon-carbon triple bond. C) The carbon is part of a carbon-carbon single bond. D) The carbon is bonded to an aromatic ring. 23 / 78 23. When propane reacts with hydrogen chloride, the major product is: A) 2-Chloropropane B) 2,3-Dichloropropane C) 1-Chloropropane D) 2-Chloropropane 24 / 78 24. Which of the following is the correct IUPAC name for CH3CH2CHBr2​? A) 2,2-Dibromopropane B) 1,2-Dibromopropane C) 1,1-Dibromopropane D) 1,3-Dibromopropane 25 / 78 25. The compound CHCl3​ is known by what IUPAC name? A) Trichloromethane B) Chloroform C) Dichloromethane D) Tetrachloromethane 26 / 78 26. Which of the following is NOT a correct representation of a dihalo compound? A) CHX-CH<sub>2</sub>X B) CH<sub>2</sub>X-CH<sub>2</sub>X C) CHX-CHX D) C<sub>2</sub>​H<sub>3</sub>​X 27 / 78 27. Benzyl halides are compounds in which the halogen atom is bonded to: A) A benzene ring directly B) A carbon atom that is part of an aliphatic ring C) An sp3-hybridized carbon atom attached to an aromatic ring D) An sp-hybridized carbon atom 28 / 78 28. The addition of bromine to an alkene is an important reaction because it: A) Tests for the presence of double bonds in a molecule B) Always results in a single product C) Is used to create bromine gas D) Is a substitution reaction 29 / 78 29. Structure (ii) represents which of the following IUPAC names? A) 3-Bromo-2-methylbutane B) 1-Bromo-2-methylbutane C) 1-Bromo-3-methylbutane D) 2-Bromo-3-methylbutane 30 / 78 30. The preparation of alkyl chlorides can be carried out by passing dry hydrogen chloride gas through: A) An aqueous solution of alcohol B) A solution of alcohol and concentrated sulfuric acid C) A solution of alcohol and concentrated hydrochloric acid D) A dry solution of alcohol 31 / 78 31. A secondary (2°) benzylic halide has its halogen atom bonded to a carbon atom that is: A) Attached to two other carbons where one is part of an aromatic ring B) Attached to one other carbon which is part of an aromatic ring C) Attached to an aromatic ring directly D) Not connected to any carbon atoms 32 / 78 32. Tertiary (3°) alkyl halides are those in which the halogen atom is attached to a carbon atom that is connected to: A) Two other carbon atoms B) One other carbon atom C) Three other carbon atoms D) No other carbon atoms 33 / 78 33. When preparing alkyl iodides from alcohols, what is typically used? A) Red phosphorus and iodine B) Concentrated sulfuric acid C) Concentrated hydrochloric acid D) Red phosphorus and bromine 34 / 78 34. The primary structural difference between vinylic halides and aryl halides is: A) The degree of hybridization of the carbon atom to which the halogen is bonded B) The number of halogen atoms bonded to the carbon atom C) The type of carbon bond (single or double) to which the halogen is bonded D) Whether the halogen is bonded to a carbon in a double bond or an aromatic ring 35 / 78 35. To prepare alkyl bromides from alcohols, which reagent can be used? A) Phosphorus tribromide (PBr₃) B) Hydrochloric acid (HCl) C) Hydrobromic acid (HBr) D) Hydroiodic acid (HI) 36 / 78 36. Which type of carbon-halogen bond is present in benzylic halides? A) sp2 C-X bond B) sp3d2 C-X bond C) sp C-X bond D) sp3 C-X bond 37 / 78 37. What is the application of halothane? A) Anesthesia during surgery B) Treatment of typhoid fever C) Blood substitute in surgery D) Treatment of malaria 38 / 78 38. A compound with two halogen atoms attached to different carbon atoms is called a: A) Trihaloalkane B) Tetrahaloalkane C) Dihaloalkane D) Monohaloalkane 39 / 78 39. If a compound has a halogen atom bonded to a carbon atom that is part of a carbon-carbon double bond, it is classified as: A) An allylic halide B) An aryl halide C) A benzylic halide D) A vinylic halide 40 / 78 40. In the provided example, how many possible monochloro structural isomers can be formed from the free radical chlorination of CH3CH2CH2CH3? A) Four B) Three C) Two D) One 41 / 78 41. Aryl halides are compounds where the halogen atom is directly bonded to: A) An sp-hybridized carbon atom of an aliphatic chain B) An sp3-hybridized carbon atom adjacent to an aromatic ring C) An sp2-hybridized carbon atom of an aromatic ring D) A carbon atom that is part of a carbon-carbon single bond 42 / 78 42. According to the IUPAC nomenclature, what do the numbers 1, 2, 1', and 3' represent in dihalogen derivatives? A) The priority of the halogen atoms B) The total number of carbon and halogen atoms C) The carbon atoms to which the halogens are attached D) The order in which the carbon atoms are counted 43 / 78 43. Alkyl halides, also known as haloalkanes, are characterized by a halogen atom bonded to: A) An alkyl group B) An aromatic ring C) An alkoxy group D) A vinyl group 44 / 78 44. Free radical chlorination or bromination of alkanes tends to produce: A) Only dimeric compounds B) A complex mixture of isomeric mono- and polyhaloalkanes C) A single isomeric compound D) A single polyhaloalkane 45 / 78 45. Which reagent is commonly used for converting alcohols directly into alkyl chlorides? A) ZnCl₂ B) PCl₅ C) SOCl₂ D) NaBr + H₂SO₄ 46 / 78 46. The general formula for alkyl halides is represented by: A) C <sub>n</sub>H<sub>n+1</sub>​ X B) C <sub>n</sub>H<sub>2n+2</sub>​ X C) C <sub>n</sub>H<sub>2n</sub>​ X D) C <sub>n</sub>H<sub>2n+1</sub>​ X 47 / 78 47. The compound in structure (vi) would be named as: A) 1-Bromo-2-ene B) 3-Bromo-1-ene C) 1-Bromo-3-ene D) 2-Bromo-1-ene 48 / 78 48. The term "polyhalogen" refers to compounds with: A) Exactly two halogen atoms B) A halogen atom in a ring structure C) Three or more halogen atoms D) One halogen atom 49 / 78 49. For monohalogen substituted derivatives of benzene, what is true about their common and IUPAC names? A) The common name is always based on the historical name. B) They are different. C) The IUPAC name is based on the alphabetical order of substituents. D) They are the same. 50 / 78 50. If a halogen is bonded to an sp3-hybridized carbon that is connected to one other carbon atom, and that carbon is directly attached to an aromatic ring, the halide is: A) A primary (1°) allylic halide B) A secondary (2°) benzylic halide C) A primary (1°) benzylic halide D) A tertiary (3°) benzylic halide 51 / 78 51. Which statement correctly describes the difference between allylic and benzylic halides? A) Allylic halides have the halogen on a carbon adjacent to a double bond, while benzylic halides have the halogen on a carbon attached to an aromatic ring. B) Allylic halides have the halogen on an aromatic ring, while benzylic halides have the halogen on a carbon-carbon double bond. C) Allylic halides have the halogen on a carbon-carbon triple bond, while benzylic halides have the halogen on a carbon-carbon single bond. D) There is no difference; they are both the same. 52 / 78 52. What is the clinical application of chloramphenicol? A) Treatment of goiter B) Blood substitute in surgery C) Treatment of malaria D) Treatment of typhoid fever 53 / 78 53. Which of the following is a true statement regarding aryl halides? A) They contain halogen atoms bonded to carbon atoms in a carbon-carbon triple bond. B) They contain halogen atoms bonded to sp2-hybridized carbon atoms in a benzene ring. C) They contain halogen atoms bonded to sp-hybridized carbon atoms. D) They contain halogen atoms bonded to sp3-hybridized carbon atoms adjacent to a benzene ring. 54 / 78 54. The reaction of an alkene with a hydrogen halide (HX) follows: A) The anti-addition rule B) The syn-addition rule C) The Anti-Markovnikov's rule D) The Markovnikov's rule 55 / 78 55. The compound CH3CH(Cl)CH3 is named as 2-Chloropropane in the IUPAC system because: A) The compound has two chlorine atoms. B) The chlorine is on the first carbon. C) The compound is an isomer of propene. D) The chlorine is on the second carbon of a three-carbon chain. 56 / 78 56. Which acid is used in the dehydration of alcohols to yield alkyl halides? A) Sulfuric acid B) Hydrochloric acid C) Phosphoric acid D) Acetic acid 57 / 78 57. What is the IUPAC name for the compound with the common name n-Propyl fluoride? A) 1-Fluoropropane B) 1-Fluoro-2-methylpropane C) 3-Fluoropropane D) 2-Fluoropropane 58 / 78 58. Halogen atoms are more electronegative than carbon, which results in what kind of charge on the carbon in a carbon-halogen bond of an alkyl halide? A) No charge B) A full negative charge C) A partial negative charge D) A partial positive charge 59 / 78 59. Which carbon-halogen bond is the shortest according to Table 6.2? A) Carbon-Chlorine B) Carbon-Bromine C) Carbon-Iodine D) Carbon-Fluorine 60 / 78 60. A secondary (2°) alkyl halide has the halogen atom attached to a carbon that is also connected to: A) Three other carbon atoms B) One other carbon atom C) Four other carbon atoms D) Two other carbon atoms 61 / 78 61. In the context of haloarenes, what does the 'X' represent in the structures shown? A) Any carbonyl group B) Any halogen atom C) Any alkoxy group D) Any alkyl group 62 / 78 62. Vic-dihalides are named based on the presence of: A) Two halogens on aromatic rings. B) Halogens on tertiary carbon atoms. C) Two halogens on the same carbon atom. D) Two halogens on two adjacent carbon atoms. 63 / 78 63. Which alkyl halide bond would you expect to be the most polar? A) C-Br B) C-Cl C) C-I D) C-F 64 / 78 64. The prefix 'iso' in isopropyl chloride indicates: A) A cyclic compound B) A branched-chain compound C) A straight-chain compound D) An isomeric compound 65 / 78 65. Which of the following is the correct IUPAC name for CH3CH2CH2BrCH3​CH2​CH2​Br? A) 1-Bromopropane B) 1-Bromobutane C) Bromopropane D) n-Propyl bromide 66 / 78 66. The hydroxyl group of an alcohol is replaced by a halogen when reacting with: A) Hydrochloric acid B) Sodium chloride C) Water D) Sodium hydroxide 67 / 78 67. The IUPAC name for the compound depicted in structure (iii) is: A) 2-Bromo-3,3-dimethylpropane B) 1-Bromo-2,2-dimethylpropane C) 2-Bromo-2-methylpropane D) 1-Bromo-3,3-dimethylpropane 68 / 78 68. What is the general term used to describe the replacement of hydrogen atoms in hydrocarbons by halogen atoms? A) Hydrogenization B) Halogenation C) Halogenization D) Hydrogenation 69 / 78 69. What is the correct IUPAC name for structure (iv)? A) 4-Bromo-2-pentene B) 4-Bromopent-2-ene C) 2-Bromopent-4-ene D) 2-Bromo-4-pentene 70 / 78 70. The trend in bond enthalpies for carbon-halogen bonds as you go from fluorine to iodine generally shows that they: A) Increase then decrease B) Decrease C) Stay the same D) Increase 71 / 78 71. Allylic halides are characterized by a halogen atom bonded to: A) An sp2-hybridized carbon atom B) An sp3-hybridized carbon atom attached to an aromatic ring C) An sp-hybridized carbon atom D) An sp3-hybridized carbon atom adjacent to a carbon-carbon double bond 72 / 78 72. A compound with the IUPAC name 1-bromo-2,2-dimethylpropane will have how many carbon atoms? A) Three B) Five C) Four D) Six 73 / 78 73. Haloalkanes and haloarenes can be classified based on the: A) Number of halogen atoms B) Type of hybridization C) Physical state at room temperature D) Number of carbon atoms 74 / 78 74. gem-dihalides refer to: A) Compounds with two halogens on adjacent carbon atoms. B) Compounds with two halogens on opposite ends of a carbon chain. C) Compounds with two halogens on the same carbon atom. D) Compounds with two different halogens on the same carbon atom. 75 / 78 75. What is the IUPAC name for the compound shown in structure (i)? A) 4-Bromopentane B) 2-Bromopentane C) 3-Bromopentane D) 1-Bromopentane 76 / 78 76. The IUPAC name for the compound commonly known as ethylene chloride is: A) Dichloroethylene B) 1,1-Dichloroethane C) 1,2-Dichloroethane D) 1,2-Dichloroethylene 77 / 78 77. The halogens that typically form sp3 C-X bonds in alkyl halides are: A) Fluorine, Chlorine, Bromine, and Iodine B) Sulfur, Phosphorus, Fluorine, and Bromine C) Nitrogen, Oxygen, Fluorine, and Chlorine D) Chlorine, Bromine, Iodine, and Astatine 78 / 78 78. Vinylic halides are characterized by the halogen atom being bonded to: A) An sp2-hybridized carbon atom of a carbon-carbon double bond B) An sp2-hybridized carbon atom of an aromatic ring C) An sp-hybridized carbon atom D) An sp3-hybridized carbon atom of a carbon-carbon single bond Your score is LinkedIn Facebook Twitter VKontakte 0%