Practice Questions

Q45.The major product P of the given reaction is (where, Me is −CH3 ) JEE Main 2022 (28 Jun Shift 2) JEE Main Previous Year Paper (1) (2) (3) (4)

Q45.Given below are two statements. Statement I : Phenols are weakly acidic. Statement II : Therefore they are freely soluble in NaOH solution and are weaker acids than alcohols and water. Choose the most appropriate option (1) Both Statement I and Statement II are correct. (2) Statement I is correct but Statement II is incorrect. (3) Statement I is incorrect but Statement II is (4) Both Statement I and Statement II are incorrect. correct. JEE Main 2022 (29 Jun Shift 1) JEE Main Previous Year Paper

Q45.Which of the following reactions will yield benzaldehyde as a product? JEE Main 2022 (27 Jun Shift 1) JEE Main Previous Year Paper (1) B & C (2) C & D (3) A & D (4) A & C Q46.' A ' and ' B' respectively are (1)O3 −A. → Ethane- 1, 2 -dicarbaldehyde +Glyoxal/Oxaldehyde (2)Zn−H2O (1)O3 −B → 5− -oxohexanal (2)Zn−H2O (1) 1 -methylcyclohex- 1, 3 -diene & cyclopentene.(2) Cyclohex- 1, 3 -diene & cyclopentene (3) Cyclohex- 1, 3 -diene & 1 -methylcyclopent- 1 - (4) 1 -methylcyclohex- 1, 4 -diene & 1 - ene methylcyclopent- 1 -ene

Q45.Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : Experimental reaction of CH3 Cl with aniline and anhydrous AlCl3 does not give o and p - methylaniline. Reason (R) : The −NH2 group of aniline becomes deactivating because of salt formation with anhydrous AlCl3 and hence yields m-methyl aniline as the product. In the light of the above statements, choose the most appropriate answer from the options given below (1) Both (A) and (R) are true and (R) is the correct (2) Both (A) and (R) are true but (R) is not the explanation of (A). correct explanation of (A). (3) (A) is true, but (R) is false. (4) (A) is false, but (R) is true.

Q45.Given below are two statements : Statement I : On heating with KHSO4, glycerol is dehydrated and acrolein is formed. Statement II : Acrolein has fruity odour and can be used to test glycerol's presence. Choose the correct option. (1) Both Statement I and Statement II are correct. (2) Both Statement I and Statement II are incorrect (3) Statement I is correct but Statement II is (4) Statement I is incorrect but Statement II is incorrect correct

Q45.Which one of the following compounds is inactive towards SN1 reaction? (1) (2) (3) (4)

Q45.Compound I is heated with Conc. HI to give a hydroxy compound A which is further heated with Zn dust to give compound B. Identify A and B. ​ (1) (2) (3) (4)

Q45. hv (C7H5O2)2 →[X] →2˙C6H5 + 2 CO2 Consider the above reaction and identify the intermediated ' X' (1) (2) (3) (4)

Q45.Transition metal complex with highest value of crystal field splitting (Δ0) will be (1) [Mo (H2O)6]3+ (2) [Cr (H2O)6]3+ (3) [Os (H2O)6]3+ (4) [Fe (H2O)6]3+

Q45.Match List-I with List-II, match the gas evolved during each reaction. List-I List-II 𝛥 A I H2 ⟶ NH42Cr2O7 B KMnO4 + HCl → II N2 C Al + NaOH + H2O → III O2 Δ D IV Cl2 NaNO3 ⟶ Choose the correct answer from the options given below (1) A - II, B - III, C - I, D - IV (2) A - III, B - I, C - IV, D - II (3) A - II, B - IV, C - I, D - III (4) A - III, B - IV, C - I, D - II

Q45.A compound ' X ' is acidic and it is soluble in NaOH solution, but insoluble in NaHCO3 solution. Compound ' X ' also gives violet colour with neutral FeCl3 solution. The compound ' X ' is (1) (2) (3) (4)

Q45.The metal complex that is diamagnetic is (Atomic number : Fe, 26; Cu, 29) (1) K3CuCN4 (2) K2CuCN4 (3) K3FeCN4 (4) K4FeCl6

Q45.Match List-I with List-II List-I List-II JEE Main 2022 (27 Jun Shift 2) JEE Main Previous Year Paper A I Br2 in CS2 B II Na2 Cr2 O7/H2 SO4 C III Zn D IV CHCl3 / NaOH Question: Choose the correct answer from the options given below (1) A −IV, B −III, C −II, D −I (2) A −IV, B −III, C −I, D −II (3) A −II, B −III, C −I, D −IV (4) A −IV, B −II, C −III, D −I

Q45.Major product ' B' of the following reaction sequence is (1) (2) (3) (4)

Q45.The correct order of energy of absorption for the following metal complexes is A : [Ni (en)3]2+, B : [Ni (NH3)6]2+, C : [Ni (H2O)6]2+ (1) C < B < A (2) B < C < A (3) C < A < B (4) A < C < B

Q45.Octahedral complexes of copper II undergo structural distortion (Jahn-Teller). Which one of the given copper II complexes will show the maximum structural distortion? (en-ethylenediamine; H2N - CH2 - CH2 - NH2) (1) CuH2O6SO4 (2) CuenH2O4SO4 (3) cis-Cuen2Cl2 (4) trans-Cuen2Cl2

Q45. The major product of the above reactions is (1) (2) (3) (4) JEE Main 2022 (24 Jun Shift 1) JEE Main Previous Year Paper

Q45.The major product formed in the following reaction, is (1) (2) (3) (4)

Q45.The major product in the reaction JEE Main 2022 (25 Jun Shift 1) JEE Main Previous Year Paper (1) 𝑡-Butyl ethyl ether (2) 2 -Methyl pent-1-ene (3) 2, 2 -Dimethyl butane (4) 2 -Methyl prop-1-ene

Q46.The correct structure of product ' A ' formed in the following reaction, JEE Main 2022 (28 Jun Shift 1) JEE Main Previous Year Paper (1) (2) (3) (4)

Q46.In Friedel-Crafts alkylation of aniline, one gets: (1) alkylated product with ortho and (2) secondary amine after acidic treatment. para substitution. (3) an amide product. (4) positively charged nitrogen at benzene ring.

Q46.Consider the following reaction sequence ​ The product ' B ' is JEE Main 2022 (29 Jul Shift 1) JEE Main Previous Year Paper (1) (2) (3) (4)

Q46.What is the major product of the following reaction? (1) (2) (3) (4)

Q46. In the above reaction product B is JEE Main 2022 (27 Jul Shift 1) JEE Main Previous Year Paper (1) (2) (3) (4)

Q46.Compound 'A' undergoes following sequence of reactions to give compound 'B'. The correct structure and chirality of compound 'B' is [where Et is -C2H5] ​ Compound 'A' JEE Main 2022 (29 Jul Shift 2) JEE Main Previous Year Paper (1) (2) (3) (4)