Title 12. ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES - 01.pdf ✅

1 JEE Advanced 2024 General Organic Chemistry 1. Match the column: Column - I Column - II (A) (P) Six  electrons (B) (Q) Four  electrons (C) (R) Aromatic compound (D) (S) Anti-aromatic compound 2. Four compounds are given in column I, match these with their pKa1 values given in column II. Column - I (Compound) Column - II (pKa1) (A) CH3COOH (P) 4.87 (B) Carbolic acid (Q) 4.76 (C) ClCH2COOH (R) 2.86 (D) CH3CH2COOH (S) 10 3. Match the column : Column - I (Compound) Column - II (Magnitude of heat of hydrogenation) (A) (P) 52.5Kcal/ mole (B) (Q) 45.9Kcal/ mole (C) (R) 26.6Kcal/ mole (D) (S) 30.7Kcal/ mole 4. Match the name of carboxylic acids in column I with pka value in column II. Column - I Column - II (A) Benzoic acid (P) 4.17 (B) Ethanoic acid (Q) 4.14 (C) o-methyl benzoic acid (R) 4.74 (D) p-flourobenzoic acid (S) 3.91 5. Match the column: Column - I (Carbanions) Column - II (Half lives) (A) (P) 4.3×10–8 s (B) (Q) 2.5×10–5 s (C) (R) 8.7×10–7 s (D) (S) 1.4×10–4 s DPP-01
2 6. Four compounds are given in column I with their pKb values in column II. Match the values for each compound. Column - I (Compound) Column - II (pKb) (A) (P) 13.60 (B) (Q) 6.21 (C) (R) 3.35 (D) (S) 8.80 7. Match the column - Column - I Column - II (A) (P) Group attached to the benzene ring is +M effect showing group (B) (Q) Group attached to the benzene ring is -M effect showing group (C) (R) Group attached to the benzene ring is +H showing group. (D) (S) Group attached to the benzene ring is –I effect showing group compound is aromatic (T) compound is aromatic 8. Match the Column: Column - I Column - II (A) (P) Correct decreasing order of heat of combustion (B) (Q) Correct decreasing order of heat of hydrogenation (C) alkene (R) Correct decreasing order of stability of (S) Correct order of C=C bond length in decreasing order 9. Match the column Column - I (Compound) Column - II (pKa1) (A) (P) React with Na (B) (Q) React with NaOH (C) (R) React with NaHCO3 (D) (S) React with NaNH2
3 10. Match the column: Column-I and column-II contains four entries each. Entry of column-I are to be uniquely matched with only one entry of column-II. Column - I (Compound) Column - II (Boiling point in oC) (A) H3C–CH2–CH2– CH2– CH2–OH (P) 290oC (B) (Q) 138oC (C) (R) 102oC (D) (S) 82.4oC 11. Select the correct statement (1) is more basic than (2) is less acdic than (3) is more basic than (4) has shorter C–N bond length than 12. Which of the following structure is least stable? (1) (2) (3) (4) 13. Maximum heat of combustion? (1) CH3 – CH2 – CH2 – CH2 – CH = CH2 (2) CH3 – CH2 – CH2 – CH = CH – CH3 (3) CH3 – CH2 – CH = CH – CH2 – CH2 (4) 14. Non valid resonating structure of N, N-dimethyl aniline is (1) (2) (3) (4) 15. Which of the following has maximum dipole moment (1) (2) (3) (4) 16. Which Cl will eliminate with fastest rate in form of Cl– to form AgCl. (1) Cl(c) (2) Cl(b) (3) Cl(a) (4) Cl(d)
4 17. Select the correct statement about the following compounds. (I) (II) (1) II has a greater dipole moment than I (2) Covalent character of II is less than I (3) I is more soluble in polar solvent that II (4) None of these 18. Which of the following has high resonance energy than ? (1) (2) (3) (4) 19. Then correct option(s) is/are Acid Dissociation First Constant Second 1 K a 2 K a 1 K' a 2 K' a (1) 1 1 K K ' a a  (2) 2 2 K K ' a a  (3) 2 2 K K ' a a  (4) None of these 20. Find out the correct order of basic strength among the given compounds. (1) III > IV > I > II (2) IV > III > I > II (3) IV > III > II > I (4) IV > I > II > III 21. Indicate the compound having the highest rate of reaction with AgNO3. (1) (2) (3) (4) 22. Select the statement that is not true the following resonance structure. (1) I is more stable than II (2) I is more stable than III (3) II is more stable that III (4) Structure II has fever bonds that I and III 23. Which of the following structure is strongest acid? (1) (2) (3) (4)