MCQ Questions for Class 12 Chemistry with Answers<\/a> are prepared as per the Latest Exam Pattern. Students can solve these Haloalkanes and Haloarenes Class 12 MCQs Questions with Answers and assess their preparation level.<\/p>\nHaloalkanes and Haloarenes Class 12 MCQs Questions with Answers<\/h2>\n Solving the Haloalkanes and Haloarenes Multiple Choice Questions of Class 12 Chemistry Chapter 10 MCQ can be of extreme help as you will be aware of all the concepts. These MCQ Questions on Haloalkanes and Haloarenes Class 12 with answers pave for a quick revision of the Chapter thereby helping you to enhance subject knowledge. Have a glance at the MCQ of Chapter 10 Chemistry Class 12 and cross-check your answers during preparation.<\/p>\n
Question 1. \nThe order of reactivity of the following alcohols with halogen acids is \n(a) CH3<\/sub>CH2<\/sub>-CH2<\/sub>-OH \n \n(a) (a) > (b) > (c) \n(b) (c) > (b) > (a) \n(c) (b) > (a) > (c) \n(d) (a) > (c) > (b)<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (b) (c) > (b) > (a)<\/p>\n<\/details>\n
\nQuestion 2. \nWhich of the following alcohols will yield the corresponding alkyl chloride on reaction with concentrated HCI at room temperature? \n(a) CH3<\/sub>CH2<\/sub>-CH2<\/sub>-OH \n <\/p>\n\nAnswer<\/span><\/summary>\nAnswer: \n <\/p>\n<\/details>\n
\nQuestion 3. \nIdentify the compound Y in the following reaction. \n <\/p>\n\nAnswer<\/span><\/summary>\nAnswer: \n <\/p>\n<\/details>\n
\nQuestion 4. \nToluene reacts with a halogen in the presence of iron (iii) chloride giving ortho and para halo compounds. The reaction is \n(a) Electrophilic elimination reaction \n(b) Electrophilic substitution reaction \n(c) Free radical addition reaction \n(d) Nucleophilic substitution reaction<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (b) Electrophilic substitution reaction<\/p>\n<\/details>\n
\nQuestion 5. \nWhich of the following is halogen exchange reaction? \n(a) RX + Nal \u2192 Rl + NaX \n <\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (a) RX + Nal \u2192 Rl + NaX<\/p>\n<\/details>\n
\nQuestion 6. \nWhich reagent will you use for the following reaction? \nCH3<\/sub>CH2<\/sub>CH2<\/sub>CH3<\/sub> \u2192CH3<\/sub>CH2<\/sub>CH2<\/sub>CH2<\/sub>Cl + CH3<\/sub>CH2<\/sub>CHClCH3<\/sub> \n(a) Cl2<\/sub>\/UV light \n(b) NaCl + H2<\/sub>SO4<\/sub> \n(c) Cl2<\/sub> gas in dark \n(d) Cl2<\/sub> gas in the presence of iron in dark<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (a) Cl2<\/sub>\/UV light<\/p>\n<\/details>\n \nQuestion 7. \nArrange the following compounds in the increasing order of their densities. \n \n(a) (i) < (ii) < (iii) < (iv) \n(b) (i) < (iii) < (iv) < (ii) \n(c) (iv) < (iii) < (ii) < (i) \n(d) (ii) < (iv) < (iii) < (i)<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (a) (i) < (ii) < (iii) < (iv)<\/p>\n<\/details>\n
\nQuestion 8. \nArrange the following compounds in increasing order of their boiling points. \n \n(a) (ii) < (i) < (iii) \n(b) (i) < (ii) < (iii) \n(c) (iii) < (i) < (ii) \n(d) (iii) < (ii) < (i)<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (c) (iii) < (i) < (ii)<\/p>\n<\/details>\n
\nQuestion 9. \nIn which of the following molecules carbon atom marked with asterisk (*) is asymmetric? \n \n(a) (i), (ii), (iii), (iv) \n(b) (i), (iii), (iii) \n(c) (ii), (iii), (iv) \n(d) (i), (iii), (iv)<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (b) (i), (iii), (iii)<\/p>\n<\/details>\n
\nQuestion 10. \nWhich of the following structures is enantiomeric with the molecule (A) given below? \n <\/p>\n\nAnswer<\/span><\/summary>\nAnswer: \n <\/p>\n<\/details>\n
\nQuestion 11. \nWhich of the following is an example of vic-dihalide? \n(a) Dichloromethane \n(b) 1,2-dichloroethane \n(c) Ethylidene chloride \n(d) Ally l chloride<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (b) 1,2-dichloroethane<\/p>\n<\/details>\n
\nQuestion 12. \nThe position of -Br in the compound in CH3<\/sub>CH=CHC(Br)(CH3<\/sub>)2<\/sub> can be classified as \n(a) Allyl \n(b) Aryl \n(c) Vinyl \n(d) Secondary<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (a) Allyl<\/p>\n<\/details>\n
\nQuestion 13. \nChlorobenzene is formed by reaction of chlorine with benzene in the presence of AlCl3<\/sub>. Which of the following species attacks the benzene ring in this reaction? \n(a) cl–<\/sup> \n(b) cl+<\/sup> \n(c) AlCl3<\/sub> \n(d) [AlCl4<\/sub>]–<\/sup><\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (b) cl+<\/sup><\/p>\n<\/details>\n \nQuestion 14. \nEthylidene chloride is a\/an \n(a) vic-dihalide \n(b) gem-dihalide \n(c) allylic halide \n(d) vinylic halide<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (b) gem-dihalide<\/p>\n<\/details>\n
\nQuestion 15. \nWhat is \u2018A\u2019 in the following reaction? \n <\/p>\n\nAnswer<\/span><\/summary>\nAnswer: \n <\/p>\n<\/details>\n
\nQuestion 16. \nA primary alkyl halide would prefer to undergo \n(a) SN<\/sub>1 reaction \n(b) SN<\/sub>2 reaction \n(c) \u03b1-Elimination \n(d) Racemisation<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (b) SN<\/sub>2 reaction<\/p>\n<\/details>\n \nQuestion 17. \nWhich of the following alkyl halides will undergo SN<\/sub>1 reaction most readily? \n(a) (CH3<\/sub>)3<\/sub>C-F \n(b) (CH3<\/sub>)3<\/sub>C-Cl \n(c) (CH3<\/sub>)3<\/sub>C-Br \n(d) (CH3<\/sub>)3<\/sub>C-I<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (d) (CH3<\/sub>)3<\/sub>C-I<\/p>\n<\/details>\n \nQuestion 18. \nWhich is the correct IUPAC name for \n \n(a) 1-Bromo-2-ethylpropane \n(b) 1 -Bromo-2-ethyl-2-methylethane \n(c) 1-Bromo-2-methylbutane \n(d) 2-Methyl-1-bromobutane<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (c) 1-Bromo-2-methylbutane<\/p>\n<\/details>\n
\nQuestion 19. \nWhat should be the correct IUPAC name for diethylbromomethane? \n(a) 1-Bromo-1,1-diethylmethane \n(b) 3-Bromopentane \n(c) 1-Bromo-1-ethylpropane \n(d) 1-Bromopentane<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (b) 3-Bromopentane<\/p>\n<\/details>\n
\nQuestion 20. \nThe reaction of toluene with chlorine in the presence of iron and in the absence of light yields \n \n(d) Mixture of (b) and (c)<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (d) Mixture of (b) and (c)<\/p>\n<\/details>\n
\nQuestion 21. \nChloromethane on treatment with excess of ammonia yields mainly \n(a) N, N-Dimethylmethanamine \n \n(b) N-methylmethanamine (CH3<\/sub>-NH-CH3<\/sub>) \n(c) Methanamine (CH3<\/sub>NH2<\/sub>) \n(d) Mixture containing all these in equal proportion<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (c) Methanamine (CH3<\/sub>NH2<\/sub>)<\/p>\n<\/details>\n \nQuestion 22. \nMolecules whose mirror image is non- superimposable over them are known as chiral. Which of the following molecules is chiral in nature? \n(a) 2-Bromobutane \n(b) 1 -Bromobutane \n(c) 2-Bromopropane \n(d) 2-Bromopropan-2-ol<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (a) 2-Bromobutane<\/p>\n<\/details>\n
\nQuestion 23. \nReaction of C6<\/sub>H5<\/sub>CH2<\/sub>Br with aqueous sodium hydroxide follows \n(a) SN<\/sub>1 mechanism \n(b) SN<\/sub>2 mechanism \n(c) Any of the above two depending upon the temperature of reaction \n(d) Saytzeff rule<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (a) SN<\/sub>1 mechanism<\/p>\n<\/details>\n \nQuestion 24. \nWhich of the carbon atoms present in the molecule given below are asymmetric? \n \n(a) a, b, c, d \n(b) b, c \n(c) a, d \n(d) a, b, c<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (b) b, c<\/p>\n<\/details>\n
\nQuestion 25. \nThe IUPAC name of the compound shown below is: \n \n(a) 2-bromo-6-chlorocyclohex-1 -ene \n(b) 6-bromo-2-chlorocyclohexene \n(c) 3-bromo-1-chlorocyclohexene \n(d) 1 -bromo-3-chlorocyclohexene<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (c) 3-bromo-1-chlorocyclohexene<\/p>\n<\/details>\n
\nAssertion and Reason Type Questions<\/span><\/p>\nThe questions given below consist of an assertion and a reason. Use the following key to choose the appropriate answer. \n(a) Both Assertion (A) and Reason (R) are correct statements, and Reason (R) is the correct explanation of the Assertion (A). \n(b) Both Assertion (A) and Reason (R) are correct statements, but Reason (R) is not the correct explanation of the Assertion (A). \n(c) Assertion (A) is correct, Reason (R) is wrong statement. \n(d) Assertion (A) is wrong, but Reason (R) is correct statement.<\/p>\n
Question 26. \nAssertion: Addition of Br2<\/sub> to but-1-ene gives two optical isomers. \nReason: The product contains one asymmetric carbon atom.<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (a) Both Assertion (A) and Reason (R) are correct statements, and Reason (R) is the correct explanation of the Assertion (A).<\/p>\n<\/details>\n
\nQuestion 27. \nAssertion: SN<\/sub>2 reaction proceeds with inversion of configuration. \nReason: SN<\/sub>2 reactions occur in one step.<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (b) Both Assertion (A) and Reason (R) are correct statements, but Reason (R) is not the correct explanation of the Assertion (A).<\/p>\n<\/details>\n
\nQuestion 28. \nAssertion: Addition of Br2<\/sub> to trans-2- butene yields meso-2, 3-dibromobutane. \nReason: Bromine addition to an alkene is an electrophilic addition reaction.<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (b) Both Assertion (A) and Reason (R) are correct statements, but Reason (R) is not the correct explanation of the Assertion (A).<\/p>\n<\/details>\n
\nQuestion 29. \nAssertion: Benzyl bromide when kept in acetone-water, it produces benzyl alcohol. \nReason: The reaction follows SN<\/sub>2 mechanism.<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (c) Assertion (A) is correct, Reason (R) is wrong statement.<\/p>\n<\/details>\n
\nQuestion 30. \nAssertion: The nucleophilic substitution of vinyl chloride is difficult than ethyl chloride. \nReason: Vinyl group is electron donating group.<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (c) Assertion (A) is correct, Reason (R) is wrong statement.<\/p>\n<\/details>\n
\nQuestion 31. \nAssertion: tert-butyl bromide undergoes SN<\/sub>1 nucleophilic substitution readily than n-butyl bromide. \nReason: It proceeds by the formation of stable carbocation.<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (a) Both Assertion (A) and Reason (R) are correct statements, and Reason (R) is the correct explanation of the Assertion (A).<\/p>\n<\/details>\n
\nQuestion 32. \nAssertion: Ethanol gives iodoform test while methanol does not. \nReason: Ethanol is less reactive than methanol towards nucleophilic addition reactions.<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (b) Both Assertion (A) and Reason (R) are correct statements, but Reason (R) is not the correct explanation of the Assertion (A).<\/p>\n<\/details>\n
\nQuestion 33. \nAssertion: Treatment of chloroethane with a saturated solution of AgCN gives ethyl isocyanide as the major product. \nReason: Cyanide ion (:CN ) is an ambident nucleophile.<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (b) Both Assertion (A) and Reason (R) are correct statements, but Reason (R) is not the correct explanation of the Assertion (A).<\/p>\n<\/details>\n
\nQuestion 34. \nAssertion: 2-Bromobutane on reaction with sodium ethoxide in ethanol gives 1-butene as the major product. \nReason: 1-Butene is less stable than 2-butene.<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (d) Assertion (A) is wrong, but Reason (R) is correct statement.<\/p>\n<\/details>\n
\nQuestion 35. \nAssertion: Alkyl iodide can be prepared by treating alkyl chloride\/bromide with Nal in acetone. \nReason: NaCl and NaBr are soluble in acetone but Nal is not.<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (c) Assertion (A) is correct, Reason (R) is wrong statement.<\/p>\n<\/details>\n
\nQuestion 36. \nAssertion: Aryl halides undergo nucleophilic substitution reactions with ease. \nReason: The carbon halogen bond in aryl halides has partial double bond character.<\/p>\n\nAnswer<\/span><\/summary>\nAnswer: (d) Assertion (A) is wrong, but Reason (R) is correct statement.<\/p>\n<\/details>\n
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Students are advised to practice the NCERT MCQ Questions for Class 12 Chemistry Chapter 10 Haloalkanes and Haloarenes with Answers Pdf free download is available here. MCQ Questions for Class 12 Chemistry with Answers are prepared as per the Latest Exam Pattern. Students can solve these Haloalkanes and Haloarenes Class 12 MCQs Questions with Answers …<\/p>\n
MCQ Questions for Class 12 Chemistry Chapter 10 Haloalkanes and Haloarenes with Answers<\/span> Read More »<\/a><\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","spay_email":""},"categories":[35],"tags":[],"yoast_head":"\nMCQ Questions for Class 12 Chemistry Chapter 10 Haloalkanes and Haloarenes with Answers - MCQ Questions<\/title>\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n\t \n\t \n\t \n