Practice Questions

Q43. Fe3+ cation gives a prussian blue precipitate on addition of potassium ferrocyanide solution due to the formation of (1) [Fe (H2O)6]2[Fe (CN)6] (2) Fe2 [Fe (CN)6]2 (3) Fe3 [Fe (OH)2(CN)4]2 (4) Fe4 [Fe (CN)6]3

Q43.Which of the following oxoacids of sulphur contains "S" in two different oxidation states? (1) H2S2O3 (2) H2S2O6 (3) H2S2O7 (4) H2S2O8

Q43.The oxoacid of phosphorus that is easily obtained from a reaction of alkali and white phosphorus and has two P −H bonds, is (1) Phosphonic acid (2) Phosphinic acid (3) Hypophosphoric acid (4) Pyrophosphorus acid

Q43.In the given reaction 'A' can be (1) benzyl bromide (2) bromobenzene (3) cyclohexyl bromide (4) methyl bromide

Q43.The ' f ' orbitals are half and completely filled, respectively in lanthanide ions [Given : Atomic no. Eu, 63 : Sm, 62 : Tm, 69; Tb, 65; Yb, 70; Dy, 66] (1) Eu2+ and Tm2+ (2) Sm2+ and Tm3+ (3) Tb4+ and Yb2+ (4) Dy3+ and Yb3+

Q43.Toluene can be easily converted into benzaldehyde by which of the following reagents? (1) CrO3 /acetic acid, H3O+ (2) CrO3 /acetic anhydride, H3O+ (3) KMnO4 / HCl, H3O+ (4) CO, HCl, Anhyd. AlCl3

Q43.Among the following, which is the strongest oxidizing agent? (1) Mn3 + (2) Ti3 + (3) Fe3 + (4) Cr3 +

Q43. Considering the above reactions, the compound ' A ' and compound ' B ' respectively are (1) (2) (3) (4) JEE Main 2022 (29 Jul Shift 1) JEE Main Previous Year Paper

Q44. The stable carbocation formed in the above reaction is : (1) (2) ⊕ CH3 CH2 (3) ⊕ (4) CH3 − CH −CH3

Q44.The products obtained from a reaction of hydrogen peroxide and acidified potassium permanganate are (1) Mn4 + , H2O only (2) Mn2 + , H2O only (3) Mn4 + , H2O, O2 only (4) Mn2 + , H2O, O2 only JEE Main 2022 (26 Jul Shift 2) JEE Main Previous Year Paper

Q44.The major product of the following reaction is JEE Main 2022 (27 Jun Shift 1) JEE Main Previous Year Paper (1) (2) (3) (4)

Q44. In the given conversion the compound A is (1) (2) (3) (4)

Q44.Most stable product of the following reaction is JEE Main 2022 (25 Jul Shift 1) JEE Main Previous Year Paper (1) (2) (3) (4)

Q44.The major product in the given reaction is JEE Main 2022 (28 Jul Shift 2) JEE Main Previous Year Paper (1) (2) (3) (4)

Q44.Given below are two statements: Statement I : Iron (III) catalyst, acidified K2 Cr2 O7 and neutral KMnO4 have the ability to oxidise I− to I2 independently. Statement II: Manganate ion is paramagnetic in nature and involves pπ −pπ bonding. In the light of the above statements, choose the correct answer from the options. (1) Both statement I and Statement II are ture (2) Both statement I and Statement II are false (3) Statement I is true but Statement II is false (4) Statement I is false but Statement II is true

Q44.The total number of acidic oxides from the following list is: NO, N2O, B2O3, N2O5, CO, SO3, P4O10 (1) 5 (2) 4 (3) 3 (4) 6

Q44.The final product ' A' in the following reaction sequence (1) (2) (3) (4)

Q44.Which of the following 3d - metal ion will give the lowest enthalpy of hydration ΔhydH when dissolved in water? (1) Cr2 + (2) Mn2 + (3) Fe2 + (4) Co2 +

Q44.Match List-I with List-II. List-I List-II A 4NH3g + 5O2g →4NOg + 6H2Og I NOg B N2g + 3H2g →2NH3g II H2SO4l C C12H22O11aq + H2Ol →C6H12O6Glucose + C6H12O6Fructose III Pts D 2SO2g + O2g →2SO3g IV Fes Choose the correct answer from the options given below (1) A - II, B - III, C - I, D - IV (2) A - III, B - II, C - I, D - IV (3) A - III, B - IV, C - II, D - I (4) A - III, B - II, C - IV, D - I

Q44.Match List - I with List - II : List-II List-II JEE Main 2022 (24 Jun Shift 1) JEE Main Previous Year Paper (A) [PtCl4]2− (I) sp3 d (B) BrF5 (II) d2 sp3 (C) PCl5 (III) dsp2 (D) [Co (NH3)6]3+ (IV) sp3 d2 Choose the most appropriate answer from the options given below (1) (A) −(II), (B) −(IV), (C) −(I), (D) −(III) (2) (A) −(III), (B) −(IV), (C) −(I), (D) −(II) (3) (A) −(III), (B) −(I), (C) −(IV), (D) −(II) (4) (A) −(II), (B) −(I), (C) −(IV), (D) −(III)

Q44.Choose the correct stability order of group 13 elements in their +1 oxidation state. (1) Al < Ga < In < Tl (2) Tl < In < Ga < Al (3) In < Tl < Ga < Al (4) Ga < In < Al < Tl

Q44.Consider the following reaction, 1. Cl2 / hv −A → 4 −bromophenylacetic acid 2. CN− 3. H2O/H+/Δ What is A in the above reaction? (1) (2) (3) (4)

Q44. Consider the above reaction sequence, the Product ‘ C’ is (1) (2) (3) (4)

Q44.Amongst the following, the major product of the given chemical reaction is (1) (2) (3) (4)

Q44.The major product (P) in the reaction (1) (2) (3) (4)