Tiêu đề IUPAC Nomenclature - 01.pdf ✅

1 ADVANCED 2024 IUPAC Nomenclature 1. Which of the following IUPAC names are correct? (1) (2) (3) (4) 2. Which of the following IUPAC names are incorrect? (1) (2) (3) (4) 3. Which of the following are homologues. (1) (2) CH3 – NH2 & CH3 – NH – CH3 (3) CH3–CH2–CH2–CH2–NH2 & CH3–CH2–NH2 (4) 4. Which of the following names are correctly written against them? (1) → hexa-1,4-dien-3-amine (2) → 1-carbamoyl ethane (3) → 2,4-dimethyl-5- oxopentanoyl chloride (4) → 1,5-Diamino-4- hydroxy hex-2-en-1-one 5. Which structure is not possible by C4H6O2? (1) (2) (3) (4) 6. Which of the following is/are organic compound(s)? (1) CH3MgBr (2) PhNa (3) CCl4 (4) Urea 7. Neopentyl alcohol is: (1) 1° alcohol (2) 2° alcohol (3) 3° alcohol (4) having t-butyl group DPP - 1
2 8. Which of the following option is/are true regarding the compound shown below? (1) It may be butanoic propanoic anhydride (2) It may be 2-methylpropanoic propanoic anhydride (3) It is an isomer of a dioic acid (4) It is a mixed anhydride 9. Correct statements about given name & structure ? (1) Parent chain is incorrectly selected (2) Parent chain has only three carbons (3) Its IUPAC name is 1-(1-Hydroxycyclohexyl)- 1- methyl ethanenitrile (4) Its IUPAC name is 2-(1-Hydroxycyclohexyl) propanenitrile Comprehension 1 Observe the following compounds answer the following questions: 10. Which one of these three compounds contains maximum number of carbon atoms in its principal carbon chain? (1) I (2) II (3) III (4) Equal in I & III 11. Which one of these three compounds contains maximum number of side chains in its principal carbon chain? (1) I (2) II (3) III (4) Equal in I & II 12. Which one of these three compounds contains maximum number of quarternary carbon atoms (4°)? (1) I (2) II (3) III (4) Equal in II & III Comprehension 2 13. How many different type of functional groups are present in given compound. (1) 6 (2) 5 (3) 4 (4) 3 14. Degree of unsaturation of this compound is (1) 10 (2) 9 (3) 8 (4) 7 15. Number of 2° nitrogens present in given compound are (1) 2 (2) 3 (3) 4 (4) 5 Integer Types Questions 16. Find the no. of functional groups in given compound– 17. Find degree of unsaturation in given compound- 18. Number of sp2-sp sigma bonds in the given compound 19. In the compound 7-Ethyl-3-nonene-2, 5, 8- tricarboxylic acid, how many atoms are in sp2- hybridisation state? 20. When the following compound is named correctly according to IUPAC convention, what would be the sum of position of two chlorine atoms?
3 Match The Column 21. Match the following : Column I Column II (A) (P) 5- (Ethanoyloxymethyl) cyclohexane-1,3- dicarboxylic acid (B) (Q) Methyl 1-(3,5- dicarboxycyclohexyl) methanoate (C) (R) 3-(Carboxymethyl)-5- ethanoyloxy cyclohexane carboxylic acid (S) 3-Ethanoyloxy-5- methoxycarbonyl cyclohexane carboxylic acid 22. Match the following : Column I (Wrong IUPAC Name) Column II (Reason) (A) (P) Numbering of selected carbon chain is wrong (B) (Q) Selection of carbon chain is wrong (C) (R) Selection of principal F.G. is wrong (D) (S) Alphabetic order is not considered for writing the name 23. Match the following : Column I (Compound) Column II (Double bond equivalent) (A) (P) 12 (B) (Q) 13 (C) (R) 14 (D) (S) 16 24. Match the following : Column I (Compound) Column II (Double bond equivalent) (A) (P) 13 (B) (Q) 14 (C) (R) 15 (D) C20H10O4Cl2 (S) 16
4 25 . Match the following : Column I Column II (A) (P) Three difference type functional group (excluding C = C and C  C Bond) (B) (Q) Degree of unsuturation - 5 (C) (R) Degree of unsuturation - 4 (D) (S) Double bond equivalent - 6 (T) Double bond equivalent - 7