Practice Questions

Q48.During the detection of acidic radical present in a salt, a student gets a pale yellow precipitate soluble with difficulty in NH4OH solution when sodium carbonate extract was first acidified with dil. HNO3 and then AgNO3 solution was added. This indicates presence of : (1) Br− (2) I− (3) Cl− (4) CO32− JEE Main 2024 (06 Apr Shift 2) JEE Main Previous Year Paper

Q48.Identify major product ‘𝑃’ formed in the following reaction. JEE Main 2024 (31 Jan Shift 2) JEE Main Previous Year Paper (1) (2) (3) (4)

Q48.CoNH36 3 + and CoF6 3 - are respectively known as: (1) Spin free Complex, Spin paired Complex (2) Spin paired Complex, Spin free Complex (3) Outer orbital Complex, Inner orbital Complex (4) Inner orbital Complex, Spin paired Complex

Q48. Consider the above reaction sequence and identify the major product P . (1) Methoxymethane (2) Methanoic acid (3) Methanal (4) Methane

Q48.Identify compound (Z) in the following reaction sequence. JEE Main 2024 (05 Apr Shift 1) JEE Main Previous Year Paper (1) (2) (3) (4)

Q48. C2H5OH−CH3 −CH2 −CH2 −Br + NaOH → Product 'A' Consider the above reactions, identify product B and product C . (1) B = 1-Propanol C = 2-Propanol (2) B = C = 2-Propanol (3) B = 2-Propanol C = 1-Propanol (4) B = C = 1-Propanol

Q48. (Test) (Identification) (A) Bayer's test MARKS (I) Phenol VIARKS Match List - I with List - II. (B) Ceric ammonium nitrate test (II) Aldehyde (C) Phthalein dye test R K (III) Alcoholic-OH group (D) Schiff's test (IV) Unsaturation Choose the correct answer from the options given below : (1) (A)-(IV), (B)-(III), (C)-(I), (D)-(II) (2) (A)-(II), (B)-(III), (C)-(IV), (D)-(I) (3) (A)-(IV), (B)-(I), (C)-(II), (D)-(III) (4) (A)-(III), (B)-(I), (C)-(IV), (D)-(II) JEE Main 2024 (08 Apr Shift 2) JEE Main Previous Year Paper

Q48.Given below are two statements: Statement-I: The gas liberated on warming a salt with dil H2 SO4 , turns a piece of paper dipped in lead acetate into black, it is a confirmatory test for sulphide ion. Statement-II: In statement-I the colour of paper turns black because of formation of lead sulphite. 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 false (2) Statement-I is false but Statement-II is true (3) Statement-I is true but Statement-II is false (4) Both Statement-I and Statement-II are true.

Q48. Identify the product (P) in the following reaction: JEE Main 2024 (08 Apr Shift 1) JEE Main Previous Year Paper (1) (2) (3) (4)

Q48.Match List-I with List-II. List I (Reaction) List II (Reagent(s)) (A) (I) Na2Cr2O7 / H2SO4 (B) (II) (i) NaOH (ii) CH3Cl (i)NaOH, CHCl3 (C) (III) (ii) NaOH (iii) HCl (i) NaOH (ii) CO2 (D) (IV) (iii) HCl Choose the correct answer from the options given below: (1) (A)-(IV), (B)-(I), (C)-(III), (D)-(II) (2) (A)-(II), (B)-(III), (C)-(I), (D)-(IV) (3) (A)-(II), (B)-(I), (C)-(III), (D)-(IV) (4) (A)-(IV), (B)-(III), (C)-(I), (D)-(II)

Q48.Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R : Assertion A : Aryl halides cannot be prepared by replacement of hydroxyl group of phenol by halogen atom. Reason R : Phenols react with halogen acids violently. In the light of the above statements, choose the most appropriate from the options given below: (1) Both A and R are true but R is NOT the correct (2) A is false but R is true explanation of A (3) A is true but R is false (4) Both A and R are true and R is the correct explanation of A

Q48.Salicylaldehyde is synthesized from phenol, when reacted with (1) (2) CO2 , NaOH (3) CCl4 , NaOH (4) HCCl3 , NaOH

Q48.In the following sequence of reaction, the major products B and C respectively are : (1) (2) (3) (4)

Q48.Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R: Assertion A: Alcohols react both as nucleophiles and electrophiles. Reason R: Alcohols react with active metals such as sodium, potassium and aluminum to yield corresponding alkoxides and liberate hydrogen. In the light of the above statements, choose the correct answer from the options given below: (1) A is false but R is true. (2) A is true but R is false. (3) Both A and R are true and R is the correct (4) Both A and R are true but R is NOT the correct explanation of A explanation of A

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.m-chlorobenzaldehyde on treatment with 50%KOH solution yields (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. Identify major product " X " formed in the following reaction : (1) (2) (3) (4)

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

Q49.In the precipitation of the iron group (III) in qualitative analysis, ammonium chloride is added before adding ammonium hydroxide to : (1) increase concentration of Cl− ions (2) increase concentration of NH4+ ions (3) prevent interference by phosphate ions (4) decrease concentration of −OH ions

Q49. List - I List - II (Precipitating reagent and conditions) (Cation) A. NH4Cl + NH4OH/ARKS I. Mn2+ Match List I with List II Choose the B. NH4OH + Na2CO3 II. Pb2+ C. NH4OH + NH4Cl + H2 S gas III. Al3+ D. dilute HCl IV. Sr2+ correct answer from the options given below: (1) A-III, B-IV, C-I, D-II (2) A-III, B-IV, C-II, D-I (3) A-IV, B-III, C-II, D-I (4) A-IV, B-III, C-I, D-II

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

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) : 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