Practice Questions

Q49.The azo-dye 𝑌 formed in the following reactions is Sulphanilic acid + NaNO2 + CH3COOH →X (1) (2) (3) (4)

Q49.Given below are two statements : Statement (I) : p-nitrophenol is more acidic than m-nitrophenol and o-nitrophenol. Statement (II) : Ethanol will give immediate turbidity with Lucas reagent. In the light of the above statements, choose the correct answer from the options given below : (1) Statement I is true but Statement II is false (2) Both Statement I and Statement II are true (3) Both Statement I and Statement II are false (4) Statement I is false but Statement II is true

Q49. Match List - I with List - II. Choose the correct answer from the options given below : (1) (A)-(IV), (B)-(II), (C)-(III), (D)-(I) (2) (A)-(I), (B)-(IV), (C)-(II), (D)-(III) (3) (A)-(III), (B)-(II), (C)-(I), (D)-(IV) (4) (A)-(II), (B)-(IV), (C)-(I), (D)-(III)

Q49.Type of amino acids obtained by hydrolysis of proteins is : (1) β (2) α (3) δ (4) γ

Q49. Major product of the following reaction is JEE Main 2024 (09 Apr Shift 2) JEE Main Previous Year Paper (1) (2) (3) (4)

Q49.Find out the major product formed from the following reaction. [Me : −CH3] (1) (2) (3) (4)

Q49. List-I List-II (Name of the test) (Reaction sequence involved) [M is metal] Co(NO3)2 −A. Borax bead test I. MCO3 →MO → CoO ⋅MO Charcoal Match List I with List II B. II. MCO3 →MCl2 →M2+ cavity test Cobalt nitrate Na2 B4O7 −C III MSO4 → M(BO2)2 →MBO2 →M test Δ Na2CO3 −D. Flame test IV MSO4 → MCO3 →MO →M Δ Choose the correct answer from the options given below: (1) A-III, B-II, C-IV, D-I (2) A-III, B-IV, C-I, D-II (3) A-III, B-I, C-II, D-IV (4) A-III, B-I, C-IV, D-II

Q49.m-chlorobenzaldehyde on treatment with 50%KOH solution yields (1) (2) (3) (4)

Q49. List - I List - II Reaction Type of redox reaction (A) Li (I) 589.2 Match List - I with List - II. Choose the correct answer from the options (B) Na (II) 455.5 (C) Rb (III) 670.8 (D) Cs (IV) 780.0 given below : (1) (A)-(II), (B)-(IV), (C)-(III), (D)-(I) (2) (A)-(I), (B)-(IV), (C)-(III), (D)-(II) (3) (A)-(IV), (B)-(II), (C)-(I), (D)-(III) (4) (A)-(III), (B)-(I), (C)-(IV), (D)-(II)

Q49.Identify ' A ' in the following reaction: (1) (2) (3) (4)

Q49.Given below are two statements: Statement (I) : The NH2 group in Aniline is ortho and para directing and a powerful activating group. Statement (II) : Aniline does not undergo FriedelCraft's reaction (alkylation and acylation). In the light of the above statements, choose the most appropriate answer from the options given below: (1) Both Statement I and Statement II are correct (2) Both Statement I and Statement II are incorrect (3) Statement I is incorrect but Statement II is (4) Statement I is correct but Statement II is correct incorrect

Q49. Identify major product " X " formed in the following reaction : (1) (2) (3) (4)

Q49.Which one of the following reactions is NOT possible? (1) (2) (3) (4)

Q49. Acid D formed in above reaction is: (1) Gluconic acid (2) Succinic acid (3) Oxalic acid (4) Malonic acid

Q49.The compound that is white in color is (1) ammonium sulphide (2) lead sulphate (3) lead iodide (4) ammonium arsinomolybdate

Q49.Major product formed in the following reaction is a mixture of: JEE Main 2024 (27 Jan Shift 2) JEE Main Previous Year Paper (1) (2) (3) (4)

Q49.A reagent which gives brilliant red precipitate with Nickel ions in basic medium is (1) sodium nitroprusside (2) neutral FeCl3 (3) meta-dinitrobenzene (4) dimethyl glyoxime

Q50.Given below are two statements : Statement (I) : All the following compounds react with p-toluenesulfonyl chloride. C6H5NH2 (C6H5)2NH (C6H5)3 N Statement (II) : Their products in the above reaction are soluble is aqueous NaOH. In the light of the above statements, choose the correct answer from the options given below (1) Statement I is false but Statement II is true (2) Statement I is true but Statement II is false (3) Both Statement I and Statement II are true (4) Both Statement I and Statement II are false

Q50.Match List I with List II List-I List-II A. Glucose/NaHCO3 / ∆ I. Gluconic acid B. Glucose/HNO3 II. No reaction JEE Main 2024 (31 Jan Shift 1) JEE Main Previous Year Paper C. Glucose/HI / ∆ III. n-hexane D. Glucose/Bromine water IV. Saccharic acid Choose the correct answer from the options given below: (1) A-IV, B-I, C-III, D-II (2) A-II, B-IV, C-III, D-I (3) A-III, B-II, C-I, D-IV (4) A-I, B-IV, C-III, D-II

Q50. List - I List - II A. α - Glucose and α - Galactose I. Functional isomers Match List I with List II B. α - Glucose and β - Glucose II. Homologous Choose the C. α - Glucose and α - Fructose III. Anomers D. α - Glucose and α - Ribose IV. Epimers correct answer from the options given below: (1) A-IV, B-III, C-I, D-II (2) A-III, B-IV, C-I, D-II (3) A-IV, B-III, C-II, D-I (4) A-III, B-IV, C-II, D-I

Q50.Match List - I with List - II. List-I (Reactants) List-II Products (A) Phenol, Zn / ∆ (I) Salicylaldehyde JEE Main 2024 (01 Feb Shift 2) JEE Main Previous Year Paper (B) Phenol, CHCl3, NaOH, HCl (II) Salicylic acid (C) Phenol, CO2, NaOH, HCl (III) Benzene (D) Phenol, Conc. HNO3 (IV) Picric acid Choose the correct answer from the options given below. (1) (A)-(IV), (B)-(II), (C)-(I), (D)-(III) (2) (A)-(IV), (B)-(I), (C)-(II), (D)-(III) (3) (A)-(III), (B)-(I), (C)-(II), (D)-(IV) (4) (A)-(III), (B)-(IV), (C)-(I), (D)-(II) Q51.10 mL of gaseous hydrocarbon on combustion gives 40 mL of CO2g and 50 mL of water vapour. Total number of carbon and hydrogen atoms in the hydrocarbon is _______.

Q50.Which of the following gives a positive test with ninhydrin? (1) Starch (2) Egg albumin (3) Polyvinyl chloride (4) Cellulose Q51. 9.3 g of pure aniline is treated with bromine water at room temperature to give a white precipitate of the product ' P '. The mass of product ' P ' obtaind is 26.4 g. The percentage yield is _______ % .

Q50.Sugar which does not give reddish brown precipitate with Fehling's reagent is: JEE Main 2024 (30 Jan Shift 1) JEE Main Previous Year Paper (1) Sucrose (2) Lactose (3) Glucose (4) Maltose Q51. 0. 05 cm thick coating of silver is deposited on a plate of 0. 05 m2 area. The number of silver atoms deposited on plate are _______ ×1023 . (At mass Ag = 108, d = 7. 9 g cm−3) Round off to the nearest integer.

Q50. The incorrect statement regarding the given structure is (1) can be oxidized to a dicarboxylic acid with Br2 (2) will coexist in equilibrium with 2 other cyclic water structure (3) despite the presence of - CHO does not give (4) has 4 asymmetric carbon atom Schiff's test JEE Main 2024 (08 Apr Shift 1) JEE Main Previous Year Paper

Q50. Match List I with List II Choose the correct answer from the options given below :- (1) A-II, B-I, C-III, D-IV (2) A-IV, B-II, C-I, D-III (3) A-I, B-III, C-IV, D-II (4) A-II, B-III, C-I, D-IV