Tiêu đề Aldehyde, Ketone & Carboxylic Acid - 01.pdf ✅

2 4. Match the column: Column-I Column-II (A) CHO O — OH  ⎯⎯→ (P) CHO (B) O + O O ( ) ( ) − ⎯⎯⎯→ + i O Et ii H (Q) O (C) CHO + CH2 – COOMe Br 2 ( ) ( ) / , i Zn ii H H O +  ⎯⎯⎯⎯→ (R) O O (S) CH = CH–COOH 5. Match the column: Column-I (Reaction) Column-II (Major product) (A) 18 2 || ( ) ( ) / O i Ph C O O H ii H H O + ⎯⎯⎯⎯⎯⎯→ − − − − (P) CH3 CH3 H HO H OH 18 18 + enantiomer (B) 18 ⎯⎯⎯⎯⎯→ dil alk KMnO . . 4 (Q) CH3 CH3 H H OH OH (C) ⎯⎯⎯→ OsO4 (R) CH3 CH3 H HO H OH + enantiomer (S) CH3 CH3 H H OH OH 18 18 6. Match the column: Column-I (Reaction) Column-II (Name of reactions) (A) Me – C – OEt O EtO Na ⎯⎯⎯⎯→ (P) Knoevangel condensation (B) Me – C – O H + CH2 C–OMe C–OMe O O N  (Q) Perkin condensation (C) C=O H + (MeCO)2O MeCOO Na /  ⎯⎯⎯⎯⎯→ (R) Aldol condensation (D) CH3 – CHO  ⎯⎯⎯→ NaOH (S) Claisen condensation
3 7. H H HO H H OH OH H OH O CH2OH (J) CH–C–Cl 3 O (excess) X Which statement is incorrect. (A) X can not reduce Tollen's reagent (B) X can not show mutarotation (C) J is -D-Glucose (D) -D-Glucose is anomer of J. 8. Find the major product of the given reaction. CH3 ( ) ( ) ( ) ( ) 3 i O , Zn dil. KOH low temp. ⎯⎯⎯⎯→ ⎯⎯⎯⎯→ A B (A) OH CH3 O (B) O OH (C) CH=O OH CH3 (D) CH=O OH CH3 9. Me – CH – C – Cl 2 O DIBAL H 'X' ⎯⎯⎯⎯→− CN ( ) ( ) 2 3 i SnCl HCl ii H O 'Y' + + ⎯⎯⎯⎯⎯→ 'X' and 'Y' can be differentiated by (A) Tollen's reagent (B) Iodoform test (C) Fehling solution (D) Lucas reagent 10. O + CH3MgBr H /H O2 + ⎯⎯⎯⎯→ P ⎯⎯⎯→ HBr Q Mg ⎯⎯⎯→ Ether R 2 HCHO H /H O ⎯⎯⎯⎯→ + S S is: (A) OH (B) OH (C) OH (D) OH 11. J is: O O Ph OH/ − ⎯⎯⎯→ ( ) H /Ni 2 ⎯⎯⎯→ 2 eq. ⎯⎯⎯⎯→ Red P/HI J (Final product) (A) Ph (B) Ph (C) Ph (D) Ph 12. Identify final product 'Z' : C – CH3 O 2 ⎯⎯⎯⎯→ I NaOH + X + (Yellow ppt.) Y ⎯⎯⎯→ Ag,  Z (A) CHI3 (B) HC  CH (C) Ph–C–O Na O – (D) H2C = CH2 13. B is: O O O OH– (i) (ii) H3O  ( ) ( ) OH Major Major A B − ⎯⎯⎯→ (A) O O (B) O O (C) O O (D) O O
4 14. P1 and P2 respectively are : O H (i)MeMgBr (ii) H3O  (i)MeMgBr/CuBr (ii) H3O  P (Major product) 1 P (Major product) 2 (A) OH H Me , OH H Me (B) OH H Me , O H Me (C) O H Me , O H Me (D) O H Me , OH H Me 15. Find the total number of Aldol products in given reaction. Me – C – H + Me – C – Me O O OH − ⎯⎯⎯→ (A) Five (B) Four (C) Six (D) Eight 16. Compound (X) C9H10O gives yellow coloured ppt with 2,4 DNP but does not give red coloured ppt with Fehling’s solution. (X) on treatment with NH2OH/H+ gives compound (Y) C9H11NO. (Y) when treated with PCl5 gives isomeric compound (Z). (Z) on hydrolysis gives propanoic acid and aniline. What will be the correct structure of (X), (Y) and (Z) ? (A) C6H5 – C – C2H5 O ; C6H5 – C – C2H5 OH – N ; C6H5 – C – NH – C2H5 O (B) C6H5 – C – C2H5 O ; C6H5 – C – C2H5 N – OH ; C2H5 – C – NH – C6H5 O (C) C6H5 – CH2 – C – CH3 O ; C6H5 – CH2 – C – CH3 N – OH ; CH3 – C – CH2 – NH – C6H5 O (D) C6H5 – C – C2H5 O ; C6H5 – C – C2H5 N – OH ; C6H5 – C – NH – C2H5 O 17. Select the correct statement about the given reaction. O I “X” aq. NaOH (A) It is bimolecular substitution reaction (B) Rate is independent of concentration of NaOH. (C) "X" is less reactive than EtI towards SN2. (D) Degree of unsaturation of product is 4. 18. Compound (X) C4H8O, which gives 2,4- Dinitrophenyl hydrazine derivative (orange or red or yellow colour) and negative haloform test. (A) CH3 – C – CH 2 – CH 3 O (B) CH3 – CH – CHO CH3 (C) (D) CH3 – CH2 – CH2 – CHO 19. Which of the following reaction is not representing major product. (A) H +  ⎯⎯→ CH3 C – NH – CH3 O (B) Benzophenone ( ) ( ) ( ) 2 2 1 NH OH 2 H 3 Br /AcOH ⎯⎯⎯⎯⎯→ + NHPh O Br (C) Ph – C – NH2 O Br2 KOH ⎯⎯→ Ph – NH2 (D) NH O O ( ) ( ) ( ) 2 1 KOH/EtOH 2 Ph Cl 3 H /H O + ⎯⎯⎯⎯⎯→ − NH2