Tiêu đề IUPAC Nomenclature (2).pdf ✅

1 JEE Advanced (2024) IUPAC Nomenclature CHEMISTRY Single Correct Type Questions (01-07) 1. IUPAC name for the compound should be [IUPAC Nomenclature] (A) 5-Bromo-3-carbamoyl-2-chloroformyl-4- formylhexanoic acid (B) 2-Bromo-4-carbamoyl-5-chloroformyl-3- formylhexanoic acid (C) 2-Chloroformyl-3-carbamoyl-4-formyl-5- bromohexanoic acid (D) 4-Formyl-2-chloroformyl-3-carbamoyl-5- bromohexanoic acid 2. The correct IUPAC name for [IUPAC Nomenclature] (A) 1, 4-dicyclobutylcyclobutane (B) 1, 1, 3, 1-tercyclobutane (C) p-dicyclobutylcyclobutane (D) 1, 3, 1 -tricyclobutane 3. has IUPAC name [IUPAC Nomenclature] (A) 3, 4-bis (N-methylamino) biphenyl (B) 3, 4-bis (methylamino) biphenyl (C) p-methylamino-m-methylaminobiphenyl (D) 3, 4-bis (aminomethyl) biphenyl 4. The name of the compound is [IUPAC Nomenclature] (1) Bicyclo [2.2.1] octane (2) Bicyclo [1.1.1] octane (3) 1, 4-Bismethylenecyclohexane (4) Bicyclo [2.2.2] octane 5. Which of the following structures represents bicyclo [3.2.0] heptane [IUPAC Nomenclature] (1) (2) (3) (4) 6. The IUPAC name(s) of the following compound is (are) (JEE Adv. 2017) [IUPAC Nomenclature] (A) 4-methylchlorobenzene (B) 4-chlorotoluene (C) 1-chloro-4-methylbenzene (D) 1-methyl-4-chlorobenzene 7. The correct combination of names for isomeric alcohols with molecular formula C4H10O is/are (JEE Adv. 2014) [IUPAC Nomenclature] (A) tert-butanol and 2-methylpropan-2-ol (B) tert-butanol and 1,1-dimethylethan-1-ol (C) n-butanol and butan-1-ol (D) iso-butyl alcohol and 2-methylpropan-1-ol One or More Than One Correct Type Questions (08-14) 8. Which of the following compound(s) and their IUPAC name is/are wrongly matched? [IUPAC Nomenclature] (A) (B) (C) Practice Sheet
2 (D) 9. Which of the following structures and IUPAC name are incorrectly matched? [IUPAC Nomenclature] (A) (B) (C) (D) 10. What is/are wrong in the following proposed IUPAC name? [IUPAC Nomenclature] (A) –COOH is not completely included in the name (B) Position of a single principal functional group on ring is not required (C) Position of Cl-atoms are incorrectly mentioned (D) It is a non-polar compound. 11. Select incorrect IUPAC name(s). [IUPAC Nomenclature] (1) 1-amino pentane-1,4-dione (2) 3-chloro cyclohexanoic acid (3) Propane-1,3-dicarboxylic acid (4) 2,3-dimethyl cyclohex-1-ene 12. HO CN COOH Select correct statement. (1) It is a homocyclic compound (2) It is having – COOH as the principal functional group (3) It is having isocyanide as one of the functional group (4) It is having ethyl at 2nd position 13. Which of the following is /are incorrect IUPAC name. [IUPAC Nomenclature] (1) 4-Chloro-3-methyl cyclopentanol-1 (2) 1-Amino-3-bromo hexan-1-one (3) 4-Chloro-3-methyl cyclohexane carboxylic acid (4) 3-Bromo-1-methyl hexan-1-ol 14. Which of the following is / are not the correct IUPAC name? [IUPAC Nomenclature] (1) 2-Ethyl-3-methyl pentane (2) 4-Formyl pentan-2-ol (3) 3-Carboxy pentanoic acid (4) Cyclohexanoic acid Integer Type Questions (11-15) 15. Following are the IUPAC names of some of the organic compounds: [IUPAC Nomenclature] (i) 1, 4-benzenedicarbonitrile (ii) 1, 4-dibromo-2, 5-dichlorobenzene (iii) 1, 3-dibromo-4, 5-dichlorobenzene (iv) 1, 4-benzene dicarbaldehyde (v) 2, 3-difluoro-2-butene (vi) 1, 3, 5-trichlorobenzene (vii) 1-chloro-4-trichloromethyl benzene (viii) 1, 4-dihydroxy benzene (ix) 1, 2, 4, 5-tetrachlorobenzene How many of the above compounds can be non- polar? 16. A carboxylic acid when heated with an alcohol in the presence of an acid catalyst, ester of type RCOOR is formed. If all four carbon acids are heated independently with all four carbon alcohols, how many esters with different IUPAC names (excluding stereochemical designation) would result? [IUPAC Nomenclature] 17. When the following compound is named correctly according to IUPAC convention, what would be the sum of position of two chlorine atoms? [IUPAC Nomenclature]
ANSWER KEY 1. ( A ) 2. ( B ) 3. ( A ) 4. ( D ) 5. ( C ) 6. (B, C ) 7. (A, C, D ) 8 . ( A ) 9 . (A, D ) 10 . (A, B ) 11 . (A, B, C, D ) 1 2 . (A, B ) 1 3 . (A, B, D ) 1 4 . (A, B, C, D ) 1 5 . ( 6 ) 1 5 . ( 8 ) 1 7 . ( 9 )