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Tick (N) the write answer. Overwriting and erasing may lead to the cancellation the Question. 1. The starting material for the commercial synthesis of Camphor is: A Citral B-Pinene (Menthol 2. Norpinic acid obtained from u-pinene is a: A Mono-carboxylic acid C Cis-dicarboxylic acid 3. Terebic acid obtained after the oxidation of a-terpineol is a. A Mono-carboxylic acid Ketohydroxy acid C Dicarboxylic acid None of these 4. Meroquinene contain: A Carboxylic group only C Amino and Carboxylic group 5. The presence of hetero-hydrogen and their number are determined by A Von Braun method B Zerewitinoff method D None of these (Zeisel method 6. The method in which alkaloids are heated with HI is called: A Von Braun B Hofmann C Herzig-Meyer B Trans-dicarboxylic acid 1) None of these 7. First structure of Cholesterol was proposed by: A Windaus and Wieland (Diels and windaus A ( Mini-carboxyle herd frans-dicarboxylic acid B D B Windaus and Hofmann D Barbier and Wieland 8. Which of the following pair(s) is difficult to distinguish with 'H-NMR: A EINHCOCH; and CH NHCOCH₂CH; Bo-Chlorotoluene and m- Chlorotoluene C p-Ethyl N-methylacetanilide and p-methyl N-ethylacetanilide D A or C 9. In IR spectroscopy, the O-C-O starching absorption appears approximately at: B 1600cm (1200cm A 2100cm D) 1710cm 10. The male hormone is/are: 15. Qinine contain A N-methyl B Amino group and double bond D None of these 13. The double hond cannot be formed by a carbon atom occupying bicyclic system is called: A Hofman's rule B Saytzeff's rule C Bredth's rule 14. Phenanthrene is produced when Morphene is distilled with: B Dilute HCI A Zine dust Concentrated HaOH 20. Approximate as of CH₂CH A 222mm B.227mm 15 NUN CHICHLERTSyne merer D None of these 17. Approximate 2 of 3-methyleyclohex-2-enone is: A 240mm B 226mm (236mm BO-methyl C A&B both 16. The structure of side chain of Cholesterol is determined by: Zeisel method B Hofmann's exhaustive methylation method ( Von Braun's method D Barbier-Wieland Degradation Method D None of these D None of these 18. Phenolic (OH) proton appears in 'H-NMR spectroscopy at ppm value: D 1-2 C 7-8 A 10-11 B 4-5 addition and elimination. electrophilie substitution: electrophilic addition. Mnucleophilic substitution. 19. The presence of N-methyl groups and their number are determined by A Von Braun's method C Zeisel method CHCOCH, is: 12. Approximate of CH CH CHCOCH; is: A 222mm B 227nm aqueous HNO; 30.Arenes react by? A) nucleophilic substitution. B) nucleophilie addition. C) electrophilic substitution. D) electrophilic addition. E) All of the above. the bridge-head of D Blanc's rule D) None of these D None of these B Hofmann's exhaustive methylation method D None of these 21. Which of the following pair is difficult to differentiate with IR-Spectroscopy A Nitromethane and nitrobenzene Cn-Propanol and n-butanol B Acetamide and Formamide D) 1-pentene and 2-pentene 1 None of these Halogens: activating: - and p-directing Me: activating: - and p-directing. NO; deactivating, m-directing.. OH: activating: - and p-directing. ( 220mm D None of these 23. Shift reagent used in 'H-NMR spectroscopy to shift the signal at ppm value: Clower than TMS A Lower side B Higher side D A&C 24 HydroxyOFF) proton appears in 'H-NMR spectroscopy at ppm value A 10-11 B 4-5 (7-8 D) C 220mm D None of these 25. In IR spectroscopy, the intramolecular hydrogen bonding shift the respective proton signal value at: A Lower B Higher CA or B D No effect B) NaHCO, C) aqueous Bry AKCl acts as a catalyst. B3) The major product is -propylbenzene. Benzene undergoes electrophilic substitution. D) In the presence of AICI. 1-chloropropane reacts to give a carbenium ion. 31. The best reagent to produce benzenesulfonic acid is? A) HNO in H₂SO B) H₂SO, C) SO, in 11-SO₁ D) SO. in H-SO, FT SO in HINO, D) NaOH