Practice Questions
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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
Q48.Salicylaldehyde is synthesized from phenol, when reacted with (1) (2) CO2 , NaOH (3) CCl4 , NaOH (4) HCCl3 , NaOH
Q48. Identify the product in the following reaction : (1) (2) (3) (4)
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.Match List β I with List βII. 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
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.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.
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
Q48.Identify major product βπβ formed in the following reaction. JEE Main 2024 (31 Jan Shift 2) JEE Main Previous Year Paper (1) (2) (3) (4)
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. (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
Q49.Find out the major product formed from the following reaction. [Me : βCH3] (1) (2) (3) (4)
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.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.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.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. 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. 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.Type of amino acids obtained by hydrolysis of proteins is : (1) Ξ² (2) Ξ± (3) Ξ΄ (4) Ξ³
Q49. List-I List-II (Name of the test) (Reaction sequence involved) [M is metal] Co(NO3)2 βA. Borax bead test I. MCO3 βMO β CoO β MO Charcoal Match List I with List II B. II. MCO3 βMCl2 βM2+ cavity test Cobalt nitrate Na2 B4O7 βC III MSO4 β M(BO2)2 βMBO2 βM test Ξ Na2CO3 βD. Flame test IV MSO4 β MCO3 βMO βM 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
Q49. Identify major product " X " formed 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