RankLab

Practice Questions

14,828 questions across 23 years of JEE Main β€” find and practise any topic!

Search & Filter

Subject

Difficulty

Type

Year

Q48.Which of the following compounds will give silver mirror with ammoniacal silver nitrate? A. Formic acid B. Formaldehyde C. Benzaldehyde D. Acetone Choose the correct answer from the options given below : (1) A, B and C only (2) C and D only (3) B and C only (4) A only

202409 Apr Shift 2Aldehydes Ketones Carboxylic Acids
ChemistryMedium

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

202430 Jan Shift 2Haloalkanes & Haloarenes
ChemistryMedium

Q48. Identify the product in the following reaction : (1) (2) (3) (4)

202404 Apr Shift 1Nitrogen Compounds
ChemistryEasy

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.

202430 Jan Shift 1Qualitative Analysis
ChemistryMedium

Q48.Match List – I with List –II. JEE Main 2024 (01 Feb Shift 1) JEE Main Previous Year Paper 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

202401 Feb Shift 1Chemistry in Everyday Life
ChemistryEasy

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)

202408 Apr Shift 1Organic: Alcohols Phenols Ethers
ChemistryMedium

Q48.The correct statement regarding nucleophilic substitution reaction in a chiral alkyl halide is ; (1) Retention occurs in SNl reaction and inversion (2) Racemisation occurs in SNl reaction and occurs in SN2 reaction. retention occurs in SN2 reaction. (3) Racemisation occurs in both SN1 and SN2 (4) Racemisation occurs in SN1 reaction and reactions. inversion occurs in SN2 reaction.

202427 Jan Shift 1Haloalkanes & Haloarenes
ChemistryEasy

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

202431 Jan Shift 1Alcohols Phenols Ethers
ChemistryMedium

Q48.Identify major product β€˜π‘ƒβ€™ formed in the following reaction. JEE Main 2024 (31 Jan Shift 2) JEE Main Previous Year Paper (1) (2) (3) (4)

202431 Jan Shift 2Aldehydes Ketones Carboxylic Acids
ChemistryMedium

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)

202405 Apr Shift 1Aldehydes Ketones Carboxylic Acids
ChemistryMedium

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

202408 Apr Shift 2Aldehydes Ketones Carboxylic Acids
ChemistryMedium

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

202404 Apr Shift 2Aldehydes Ketones Carboxylic Acids
ChemistryMedium

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)

202408 Apr Shift 2Polymers
ChemistryEasy

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

202427 Jan Shift 1Alcohols Phenols Ethers
ChemistryMedium

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

202430 Jan Shift 2Alcohols Phenols Ethers
ChemistryMedium

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)

202427 Jan Shift 2Aldehydes Ketones Carboxylic Acids
ChemistryMedium

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

202405 Apr Shift 2Aldehydes Ketones Carboxylic Acids
ChemistryHard

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

202401 Feb Shift 2Aldehydes Ketones Carboxylic Acids
ChemistryEasy

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

202431 Jan Shift 1Qualitative Analysis
ChemistryMedium

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

202406 Apr Shift 1Qualitative Analysis
ChemistryMedium

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)

202406 Apr Shift 2s-block Elements
ChemistryMedium

Q49.Type of amino acids obtained by hydrolysis of proteins is : (1) Ξ² (2) Ξ± (3) Ξ΄ (4) Ξ³

202429 Jan Shift 1Biomolecules
ChemistryEasy

Q49. List-I List-II (Name of the test) (Reaction sequence involved) [M is metal] Co(NO3)2 βˆ’A. Borax bead test I. MCO3 β†’MO β†’ CoO β‹…MO Charcoal Match List I with List II B. II. MCO3 β†’MCl2 β†’M2+ cavity test Cobalt nitrate Na2 B4O7 βˆ’C III MSO4 β†’ M(BO2)2 β†’MBO2 β†’M test Ξ” Na2CO3 βˆ’D. Flame test IV MSO4 β†’ MCO3 β†’MO β†’M Ξ” 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

202408 Apr Shift 1Qualitative Analysis
ChemistryMedium

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

202409 Apr Shift 1Aldehydes Ketones Carboxylic Acids
ChemistryMedium

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

202401 Feb Shift 1Organic: Nitrogen Compounds
ChemistryMedium

Showing 1676–1700 of 14,828