Title 1B-AlkyL Halide & Aryl Halide FINAL_06-03-14 ( 36 - 70 ).pdf ✅

JEEASD MAINS - VOL - I ALKYL HALIDES & ARYL HALIDES JEE ADVANCED-VOL - VIII 3 6 NISHITH Multimedia India (Pvt.) Ltd., LEVEL - V SINGLE CORRECT ANSWER TYPE QUESTIONS 1. Which of the following type of isomerism is not shown by alkyl halides (A) chain (B) positional (C) optical (D) metamerism 2. The major product obtained in the mono bromination of isobutane is (A) iso butyl bromide (B) ter-butyl bromide (C) n-butyl bromide (D) sec-butyl bromide 3. The number of monochloro derivatives formed by the action of chlorine on isopentane is, (A) 1 (B) 2 (C) 3 (D) 4 4. Which of the following cannot be used in the preparation of ethyl halide from ethyl alcohol (A) NaCl/H2 SO4 (B) Br2 /P (C) SOCl2 /pyridine (D) TsCl/NaBr 5. Which of the following reacts at a faster rate with hydrogen bromide. (A) Propene (B) 1-Butene (C) 2-Butene (D) Isobutene 6. The major product formed by the action of NaBr/H2 SO4 on neo pentyl alcohol is, (A) neo pentyl bromide (B) 2-bromo 2-methyl butane (C) n-pentyl bromide (D) 2-bromo 3-methyl butane 7. In the given reaction. CH3 CH2 COOH Pb(OAc)4 I /h 2   x, x will be (A) CH3 – CH2 – COOC2H5 (B) CH3 – CH2 – COOCH3 (C) CH3 – CH2 – I (D) CH3 – CH2 – CH2 – I 8. In the reaction: R – COOH AgNO3 Cl /h 2   R – Cl + CO2 + HCl the acid that given more yield is, (A) CH3 COOH (B) CH3 – CH2 – COOH (C) (CH3 ) 2 CH- COOH (D) (CH3 ) 3 C- COOH 9. Which of the following is a feasible reaction (A) CH3 H3C OH H3C CH3 F HF (B) CH3 H3C OH H3C CH3 Br NaBr (C) CH3 H3C OH H3C CH3 Cl Cl2 (D) CH3 H3C OH H3C CH3 F TsCl NaF 10. The reagent used to prepare alkyl fluorides from alkyl chlorides or alkyl bromides is, (A) BF3 (B) HF (C) SbF3 (D) F2 11. When C2H5OH is treated with HI, C2H5 I will be formed what will happen when C2H5OH is treated with HCN. (A) C2H5 CN (B) C2H5 CO2H (C) C2H5NC (D) no reaction
SOLUTIONS AND COLLIGARIVE PROPERTIES JEE ADVANCED-VOL - VIII RELATIONS ALKYL HALIDES & ARYL HALIDES NISHITH Multimedia India (Pvt.) Ltd., 3 7 12. (CCl3 ) 2 C=CH2 + HCl 3   CH3  || O O O C || O CH C . What is A? (A) Me2 CH-CH2 Cl (B) MeCH2 -CH(Cl)Me (C) (CCl3 ) 2 CHCH2 Cl (D) (CCl3 ) 2 C=O 13. The reagent used in the conversion of 3-methyl 1-butene into 2-chloro 3-methyl butane is (A) HCl (B) HBO, PCl3 (C) OMDM, SOCl2 (D) HCl, peroxide 14. Which of the following is least reactive towards nucleophillic substitution reaction. (A) CH3 – CH2 – CH2 – Br (B) CH2 = CH – Br (C) C6H5 – CH2 – Br (D) CH2 = CH – CH2 – Br 15. Which of the following acts as a strong nucleophile (A) OH (B) F  (C) CH3  (D) NH 2  16. In the reaction 3 3  2 CH      C CNa CH CHCl ? The major product formed is (A) 4-methyl-2-pentyne (B) propyne (C) propyne and propene (D) none 17. Butane nitrile may be prepared by heating: (A) Propyl alcohol with KCN (B) Butyl alcohol with KCN (C) Butyl chloride with KCN (D) Propyl chloride with KCN 18. 2-bromopentane is heated with potassium ethoxide in ethanol. The major product is (A) Trans - pent-2-ene (B) 2-ethoxy pentane (C) Pent-1-ene (D) cis-pent-2-ene 19. Gem dihalide on hydrolysis gives (A) Alcohol (B) Glycols (C) Carbonyls (D) Ethers 20. Identify the major product of the following reaction ? (i) H 2O/OH (ii) H 2O/H + /  B r (A) OH HO (B) (C) OH (D) 21. In two separate experiments equal quantities of an alkyl halide, C4H9Cl were treated at the same temperature with equal volume of 0.1 molar and 0.2 molar solutions of NaOH respectively. In the two experiments, the times taken for the reaction of exactly 50% of the alkyl halide were the same. The most likely structure of halide is: (A) CH3 CH2 CH2 CH2 Cl (B) CH3 CH(Cl) CH2 CH3 (C) (CH3 ) 2 CHCH2 Cl (D) (CH3 ) 3 CCl