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Page 1 2024 Q1 - 2024 (01 Feb Shift 1) Match List - I with List -II. List - I (Reactions) List - II (Reagents) (A) (I) CH 3 MgBr,H 2 O (B) C 6 H 5 COC 6 H 5 ? C 6 H 5 CH 2 C 6 H 5 (II) Zn(Hg) and conc. HCl (C) C 6 H 5 CHO ?C 6 H 5 CH(OH)CH 3 (III) NaBH 4 ,H + (D) (IV) DIBAL -H, H 2O Choose the correct answer from options given below: (1) A-(III), (B)-(IV), (C)-(I), (D)-(II) (2) A-(IV), (B)-(II), (C)-(I), (D)-(III) (3) A-(IV), (B)-(II), (C)-(III), (D)-(I) (4) A-(III), (B)-(IV), (C)-(II), (D)-(I) Q2 - 2024 (29 Jan Shift 1) From the compounds given below, number of compounds which give positive Fehling's test is _______. Benzaldehyde, Acetaldehyde, Acetone, Acetophenone,Methanal, 4-nitrobenzaldehyde, cyclohexane carbaldehyde. Q3 - 2024 (29 Jan Shift 2) Identify the reagents used for the following conversion Page 2 2024 Q1 - 2024 (01 Feb Shift 1) Match List - I with List -II. List - I (Reactions) List - II (Reagents) (A) (I) CH 3 MgBr,H 2 O (B) C 6 H 5 COC 6 H 5 ? C 6 H 5 CH 2 C 6 H 5 (II) Zn(Hg) and conc. HCl (C) C 6 H 5 CHO ?C 6 H 5 CH(OH)CH 3 (III) NaBH 4 ,H + (D) (IV) DIBAL -H, H 2O Choose the correct answer from options given below: (1) A-(III), (B)-(IV), (C)-(I), (D)-(II) (2) A-(IV), (B)-(II), (C)-(I), (D)-(III) (3) A-(IV), (B)-(II), (C)-(III), (D)-(I) (4) A-(III), (B)-(IV), (C)-(II), (D)-(I) Q2 - 2024 (29 Jan Shift 1) From the compounds given below, number of compounds which give positive Fehling's test is _______. Benzaldehyde, Acetaldehyde, Acetone, Acetophenone,Methanal, 4-nitrobenzaldehyde, cyclohexane carbaldehyde. Q3 - 2024 (29 Jan Shift 2) Identify the reagents used for the following conversion (1) A=LiAlH 4 ,B =NaOH (aq) ,C= NH 2 -NH 2 /KOH, ethylene glycol (2) A=LiAlH 4 ,B =NaOH (alc ) ,C=Zn/HCl (3) A= DIBAL-H, B =NaOH (aq) , C =NH 2 -NH 2 /KOH, ethylene glycol (4) A =DIBAL -H,B =NaOH (alc) ,C =Zn/HCl Q4 - 2024 (30 Jan Shift 1) This reduction reaction is known as: (1) Rosenmund reduction (2) Wolff-Kishner reduction (3) Stephen reduction (4) Etard reduction Q5 - 2024 (30 Jan Shift 1) The compound formed by the reaction of ethanal with semicarbazide contains ____ number of nitrogen atoms. Q6 - 2024 (30 Jan Shift 2) m-chlorobenzaldehyde on treatment with 50%KOH solution yields Page 3 2024 Q1 - 2024 (01 Feb Shift 1) Match List - I with List -II. List - I (Reactions) List - II (Reagents) (A) (I) CH 3 MgBr,H 2 O (B) C 6 H 5 COC 6 H 5 ? C 6 H 5 CH 2 C 6 H 5 (II) Zn(Hg) and conc. HCl (C) C 6 H 5 CHO ?C 6 H 5 CH(OH)CH 3 (III) NaBH 4 ,H + (D) (IV) DIBAL -H, H 2O Choose the correct answer from options given below: (1) A-(III), (B)-(IV), (C)-(I), (D)-(II) (2) A-(IV), (B)-(II), (C)-(I), (D)-(III) (3) A-(IV), (B)-(II), (C)-(III), (D)-(I) (4) A-(III), (B)-(IV), (C)-(II), (D)-(I) Q2 - 2024 (29 Jan Shift 1) From the compounds given below, number of compounds which give positive Fehling's test is _______. Benzaldehyde, Acetaldehyde, Acetone, Acetophenone,Methanal, 4-nitrobenzaldehyde, cyclohexane carbaldehyde. Q3 - 2024 (29 Jan Shift 2) Identify the reagents used for the following conversion (1) A=LiAlH 4 ,B =NaOH (aq) ,C= NH 2 -NH 2 /KOH, ethylene glycol (2) A=LiAlH 4 ,B =NaOH (alc ) ,C=Zn/HCl (3) A= DIBAL-H, B =NaOH (aq) , C =NH 2 -NH 2 /KOH, ethylene glycol (4) A =DIBAL -H,B =NaOH (alc) ,C =Zn/HCl Q4 - 2024 (30 Jan Shift 1) This reduction reaction is known as: (1) Rosenmund reduction (2) Wolff-Kishner reduction (3) Stephen reduction (4) Etard reduction Q5 - 2024 (30 Jan Shift 1) The compound formed by the reaction of ethanal with semicarbazide contains ____ number of nitrogen atoms. Q6 - 2024 (30 Jan Shift 2) m-chlorobenzaldehyde on treatment with 50%KOH solution yields Q7 - 2024 (31 Jan Shift 1) The product of the following reaction is ?? . Page 4 2024 Q1 - 2024 (01 Feb Shift 1) Match List - I with List -II. List - I (Reactions) List - II (Reagents) (A) (I) CH 3 MgBr,H 2 O (B) C 6 H 5 COC 6 H 5 ? C 6 H 5 CH 2 C 6 H 5 (II) Zn(Hg) and conc. HCl (C) C 6 H 5 CHO ?C 6 H 5 CH(OH)CH 3 (III) NaBH 4 ,H + (D) (IV) DIBAL -H, H 2O Choose the correct answer from options given below: (1) A-(III), (B)-(IV), (C)-(I), (D)-(II) (2) A-(IV), (B)-(II), (C)-(I), (D)-(III) (3) A-(IV), (B)-(II), (C)-(III), (D)-(I) (4) A-(III), (B)-(IV), (C)-(II), (D)-(I) Q2 - 2024 (29 Jan Shift 1) From the compounds given below, number of compounds which give positive Fehling's test is _______. Benzaldehyde, Acetaldehyde, Acetone, Acetophenone,Methanal, 4-nitrobenzaldehyde, cyclohexane carbaldehyde. Q3 - 2024 (29 Jan Shift 2) Identify the reagents used for the following conversion (1) A=LiAlH 4 ,B =NaOH (aq) ,C= NH 2 -NH 2 /KOH, ethylene glycol (2) A=LiAlH 4 ,B =NaOH (alc ) ,C=Zn/HCl (3) A= DIBAL-H, B =NaOH (aq) , C =NH 2 -NH 2 /KOH, ethylene glycol (4) A =DIBAL -H,B =NaOH (alc) ,C =Zn/HCl Q4 - 2024 (30 Jan Shift 1) This reduction reaction is known as: (1) Rosenmund reduction (2) Wolff-Kishner reduction (3) Stephen reduction (4) Etard reduction Q5 - 2024 (30 Jan Shift 1) The compound formed by the reaction of ethanal with semicarbazide contains ____ number of nitrogen atoms. Q6 - 2024 (30 Jan Shift 2) m-chlorobenzaldehyde on treatment with 50%KOH solution yields Q7 - 2024 (31 Jan Shift 1) The product of the following reaction is ?? . The number of hydroxyl groups present in the product ?? is Q8 - 2024 (31 Jan Shift 2) Identify the name reaction. (1) Stephen reaction (2) Etard reaction (3) Gatterman-koch reaction (4) Rosenmund reduction Q9 - 2024 (31 Jan Shift 2) Identify major product ' P ' formed in the following reaction. Page 5 2024 Q1 - 2024 (01 Feb Shift 1) Match List - I with List -II. List - I (Reactions) List - II (Reagents) (A) (I) CH 3 MgBr,H 2 O (B) C 6 H 5 COC 6 H 5 ? C 6 H 5 CH 2 C 6 H 5 (II) Zn(Hg) and conc. HCl (C) C 6 H 5 CHO ?C 6 H 5 CH(OH)CH 3 (III) NaBH 4 ,H + (D) (IV) DIBAL -H, H 2O Choose the correct answer from options given below: (1) A-(III), (B)-(IV), (C)-(I), (D)-(II) (2) A-(IV), (B)-(II), (C)-(I), (D)-(III) (3) A-(IV), (B)-(II), (C)-(III), (D)-(I) (4) A-(III), (B)-(IV), (C)-(II), (D)-(I) Q2 - 2024 (29 Jan Shift 1) From the compounds given below, number of compounds which give positive Fehling's test is _______. Benzaldehyde, Acetaldehyde, Acetone, Acetophenone,Methanal, 4-nitrobenzaldehyde, cyclohexane carbaldehyde. Q3 - 2024 (29 Jan Shift 2) Identify the reagents used for the following conversion (1) A=LiAlH 4 ,B =NaOH (aq) ,C= NH 2 -NH 2 /KOH, ethylene glycol (2) A=LiAlH 4 ,B =NaOH (alc ) ,C=Zn/HCl (3) A= DIBAL-H, B =NaOH (aq) , C =NH 2 -NH 2 /KOH, ethylene glycol (4) A =DIBAL -H,B =NaOH (alc) ,C =Zn/HCl Q4 - 2024 (30 Jan Shift 1) This reduction reaction is known as: (1) Rosenmund reduction (2) Wolff-Kishner reduction (3) Stephen reduction (4) Etard reduction Q5 - 2024 (30 Jan Shift 1) The compound formed by the reaction of ethanal with semicarbazide contains ____ number of nitrogen atoms. Q6 - 2024 (30 Jan Shift 2) m-chlorobenzaldehyde on treatment with 50%KOH solution yields Q7 - 2024 (31 Jan Shift 1) The product of the following reaction is ?? . The number of hydroxyl groups present in the product ?? is Q8 - 2024 (31 Jan Shift 2) Identify the name reaction. (1) Stephen reaction (2) Etard reaction (3) Gatterman-koch reaction (4) Rosenmund reduction Q9 - 2024 (31 Jan Shift 2) Identify major product ' P ' formed in the following reaction. Q10 - 2024 (31 Jan Shift 2) The azo-dye (Y) formed in the following reactions is Sulphanilic acid +NaNO 2 + CH 3 COOH ?X (1)Read More
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