Tiêu đề HALOALKANE & HALOARENES - 01.pdf ✅

2 3. Match the column : Column-I Column-II (A) ⎯⎯→ (P) Ph (Major product) (B) Alcoholic KOH/ ⎯⎯⎯⎯→ (Q) Ph (Major product) (C) Alcoholic KOH/ ⎯⎯⎯⎯→ (R) Majority of the molecule will react by E2 reaction (D) (S) Majority of the molecule will react by E1CB 4. Match the column: Column-I (Reaction) Column-II (Major product configuration) (A) C—Cl Et Me H NaOH DMSO ⎯⎯⎯→ (P) R (B) MeO CH2–CCH 2 4 Br ⎯⎯⎯→ CCl (Q) S (C) Br CH–CH2CH3 OH KHSO4  ⎯⎯⎯⎯→ (R) Z (D) H H Me Br NaOEt EtOH, ⎯⎯⎯→ (S) E
3 5. Match the column: Column-I Column-II (A) OH conc. H SO2 4  ⎯⎯⎯⎯⎯⎯→ (P) Carbocation intermediate (B) Cl NaOEt ⎯⎯⎯→ (Q) 1, 2-shift takes place (C) N  I – AgOH  ⎯⎯⎯⎯→ (R) Saytzeff product is major (D) Br ⎯⎯⎯→ MeOH (S) Hoffmann product is major (T) Bimolecular reaction 6. Match the column: Column-I (Substrate) Column-II (Relative rate of SN 2) (A) Cl–CH2 C–CH3 O (P) 105 (B) CH3 C–CH2–Cl O (Q) 500 (C) CH3 C–CH3 O Cl (R) 200 (D) CH3 – Cl (S) 10–5
4 7. Match the column: Column-I (Reaction) Column-II (Mechanism of reaction for major product) (A) Me C Cl || O − − + MeMgCl ⎯→ (P) SN 1 (B) H3C Br ⎯⎯⎯⎯→ CH COOH 3 (Q) SN 2 (C) H3C OH CH2CH3 ⎯SOCl ⎯O⎯2→ O (R) SN i (D) H3C Br ⎯⎯⎯→ KCN (S) SNAE 8. Match the Column: Column-I (Reaction) Column-II (Important mechanism involved) (A) Cl ⎯⎯⎯→ EtO– (P) E1 (B) Cl EtOH  ⎯⎯⎯→ (Q) E2 (C) Cl ⎯⎯⎯→ PCl3 (R) SN 1 (D) Cl ⎯⎯⎯⎯→ aq.KOH (S) SN 2 (T) Major product of the reaction is a cycloalkene 9. Match the column: Column-I (Reaction) Column-II (Major product) (A) Cl ⎯⎯⎯→ OCH3 – (P) OCH3 (B) 3 2 3 4 (i)Hg(OCOCH ) .CH OH (ii)NaBH /OH ̄ ⎯⎯⎯⎯⎯⎯⎯⎯⎯→ (Q) (C) Br ⎯⎯⎯→ AgCN (R) CN (D) (S) NC ̄ +