Nội dung text 10. HALOALKANES AND HALOARENES.pdf
(1.) Which of the following contain halogen atom(s) attached to the sp3 hybridised carbon atom of an alkyl group? [Page: 289] (a) Haloalkane (b) Haloarene (c) Alkylhalide (d) Both (a) and (c) (2.) Match the organic compounds given in column I with their effects given in column II. [Page: 289] (Column I) (Column I) Organic compounds Effects (I) Chloramphenicol (p) treatment of malaria (II) Thyroxine (q) antibiotic (III) Chloroquine (r) Iodine containing hormone (IV) Halothane (s) Anaesthetic Codes I II III IV (a) r q p s (b) p q r s (c) q r p s (d) p q s r (3.) Which of the following classification is on the basis of number of halogen atoms? [Page: 290] (a) classification of mono, di, or polyhalogen (b) classification as 1°, 2° or 3°halide (c) classification on the basis of hybridisation (d) None of these. (4.) Among the following, which one is a tertiary halide? [Page: 290] (a) (b) (c) (d)
(5.) The compound in which the halogen atom is bonded to an sp3 hybridised carbon atom adjacent to C C = double bond is (a) Benzylic halide (b) Aryl halide (c) Allylic halide (d) Vinylic halide (6.) Which of the following is a benzylic halide? [Page: 291] (a) (b) (c) (d) All of these (7.) Consider the following compound [QR code, NCERT Exemplar, Page: 291] The position of Br in the compound is classified as (a) allyl (b) aryl (c) vinyl (d) secondary (8.) Which of the following is not correct match? [Page: 291] (a) Allylic halide - (b) Benzylic halide - (c) Aryl halide - (d) Vinyl halide - (9.) Vic-dihalide is [Page: 291]
(a) Allyl chloride (b) Dichloromethane (c) 1,2-dichloroethane (d) Ethylidene (10.) Which of the following statement is incorrect? [Page: 291] (a) The common name of alkyl halides are derived by naming the alkyl group followed by the name of halide. (b) For monohalogen substituted derivatives of benzene, common and IUPAC names are used. (c) For dihalogen derivatives, the prefixes o-, mand p- are used in IUPAC system. (d) The dihaloalkanes having the same type of halogen atoms are named as alkylide. (11.) The common name of the following compound is [Page: 291] (a) di-meta bromobenzene (b) sym-tribromobenzene (c) bis-meta bromobenzene (d) 1,3,5-tribromobenzene (12.) Which of the following is an incorrect match? [Page: 292] (a) CH CH CH Br 1 bromopropane 3 2 2 − − (b) - 2-methyl chloroethane (c) - 1-Chloro-2-methyl propane (d) - 1, 3-dibromobenzene (13.) Consider the following statements [Page: 292] (I) The dihalo compounds is classified as geminal halide. (II) In common system, gem-dihalides are named as alkylidene halides. (III) Vic-dihalides are named as alkylene dihalides. (IV) IUPAC name of H C CHCl 3 2 − is ethylidene chloride. Choose the correct option. (a) I and II (b) I and III
(c) II, III and IV (d) II and III (14.) The correct structure of allyl bromide is [Page: 292] (a) CH CHCH Br 2 2 = (b) CH CHBr 2 = (c) ( ) 3 3 CH CBr (d) ( ) 3 2 3 CH CCH Br (15.) Match the structures given in column I with the IUPAC name given in column II. [Page: 292] Column I (Structure) Column II (IUPAC name) (I) ( ) 3 2 3 CH CCH Br (p) 2-bromo-2-methyl propane (II) ( ) 3 3 CH CBr (q) 1-bromo-2,2- dimethylpropane (III) CH CHCH Br 2 2 (r) tribromomethane (IV) CHBr3 (s) 3-bromopropene Choose the correct option I II III IV (a) q p s r (b) p q r s (c) q p s r (d) s p q r (16.) Match the following. [Page: 292] Column I (IUPAC) (Name) Column II (i) (p) Bromobutane (ii) (q) 1-Bromo-2-methylbutane (iii) CH CH CH CH Br 3 2 2 2 − (r) 3-bromopentane Codes