Practice Questions

Q34. List - I List - II A. Melting Point [K] I. T1 > In > Ga > A1 > B Match List I with List II B. Ionic Radius [M+3/pm] II. B > T1 > A1 ≈Ga > In Choose the C. ΔiH1 [ kJ mol−1] III. T1 > In > A1 > Ga > B D. Atomic Radius [pm] IV. B > A1 > T1 > In > Ga correct answer from the options given below: (1) A-II, B-III, C-IV, D-I (2) A-IV, B-I, C-II, D-III (3) A-I, B-II, C-III, D-IV (4) A-III, B-IV, C-I, D-II

Q34. List-I List-II (Molecule) (Shape) A. Fe4[Fe(CN)6]3 ⋅xH2O I. Violet Match List I with List II Choose the correct answer B. [Fe(CN)5NOS4− II. Blood Red A C. [Fe(SCN)]2+ III. Prussian Blue D. (NH4)3PO4 ⋅12MoO3 IV. Yellow from the options given below: (1) A-III, B-I, C-II, D-IV (2) A-I, B-II, C-III, D-IV (3) A-IV, B-I, C-II, D-III (4) A-II, B-III, C-IV, D-I

Q34.Which of the following is strongest Bronsted base? (1) (2) (3) (4)

Q34.The correct statement/s about Hydrogen bonding is/are A. Hydrogen bonding exists when H is covalently bonded to the highly electro negative atom. B. Intermolecular H bonding is present in o-nitro phenol C. Intramolecular H bonding is present in HF. D. The magnitude of H bonding depends on the physical state of JEE Main 2024 (04 Apr Shift 2) JEE Main Previous Year Paper the compound. E. H-bonding has powerful effect on the structure and properties of compounds Choose the correct answer from the options given below: (1) A, B, D only (2) A, D, E only (3) A only (4) A, B, C only

Q34.Chlorine undergoes disproportionation in alkaline medium as shown below : aCl2( g) + bOH−(aq) →cClO−(aq) + dCl−(aq) + eH2 O(l) The values of a, b, c and d in a balanced redox reaction are respectively : (1) 1, 2, 1 and 1 (2) 2, 2, 1 and 3 (3) 3, 4, 4 and 2 (4) 2, 4, 1 and 3

Q34. List - I List - II (Hybridization) (Orientation in Space) A. sp3 I. Trigonal bipyramidal Match List I with List II Choose the correct B. dsp2 II. Octahedral C. sp3 d III. Tetrahedral D. sp3 d2 IV. Square planar answer from the options given below: (1) A-IV, B-III, C-I, D-II (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

Q34. According to IUPAC system, the compound is named as: (1) Cyclohex −1 −en −2 −ol (2) 1 −Hydroxyhex −2 −ene (3) Cyclohex −1 −en −3 −ol (4) Cyclohex −2 −en −1 −ol

Q34.Structure of 4 −Methylpent −2 −enal is: (1) (2) (3) (4)

Q34.The equilibrium Cr2O2−7 ⇌2CrO2−4 is shifted to the right in : (1) an acidic medium (2) a basic medium (3) a neutral medium (4) a weakly acidic medium

Q34.The order of relative stability of the contributing structure is: JEE Main 2024 (27 Jan Shift 2) JEE Main Previous Year Paper Choose the correct answer from the options given below: (1) I > II > III (2) II > I > III (3) I = II = III (4) III > II > I

Q34.Select the compound from the following that will show intramolecular hydrogen bonding. (1) H2O (2) NH3 (3) C2H5OH (4)

Q34.The statement(s) that are correct about the species O2−, F−, Na+ and Mg2+ . (A) All are isoelectronic (B) All have the same nuclear charge (C) O2− has the largest ionic radii (D) Mg2+ has the smallest ionic radii Choose the most appropriate answer from the options given below : (1) (B), (C) and (D) only (2) (C) and (D) only (3) (A), (C) and (D) only (4) (A), (B), (C) and (D)

Q34.The number of ions from the following that are expected to behave as oxidising agent is : Sn4+, Sn2+, Pb2+, Tl3+, Pb4+, Tl+ (1) 3 (2) 2 (3) 1 (4) 4

Q34.Which of the following is least ionic? (1) BaCl2 (2) AgCl (3) KCl (4) CoCl2 𝐶 Q35.𝐴𝑔⇌𝐵𝑔+ 1 2𝑔.1 The correct relationship between 𝐾𝑃, 𝛼 and equilibrium3 1 pressure 𝑃 is 2 (1) α 2P (2) α 2P KP = 1 KP = 1 2 2 +1 α32 2 +1 α121 −α (3) α 2P 2 (4) α 2P 2 KP = 3 KP = 3 2 + α 2 2 + α 2

Q34.Consider the oxides of group 14 elements 𝑆𝑖𝑂2, 𝐺𝑒𝑂2, 𝑆𝑛𝑂2, 𝑃𝑏𝑂2, 𝐶𝑂 and 𝐺𝑒𝑂. The amphoteric oxides are (1) GeO, GeO2 (2) SiO2, GeO2 (3) SnO2, PbO2 (4) SnO2, CO

Q34.IUPAC name of following compound is (1) 2 – Aminopentanenitrile (2) 2 – Aminobutanenitrile (3) 3 – Aminobutanenitrile (4) 3 – Aminopropanenitrile

Q35.Given below are two statements : Statement I : On passing HCl(g) through a saturated solution of BaCl2 , at room temperature white turbidity appears. Statement II : When HCl gas is passed through a saturated solution of NaCl, sodium chloride is precipitated due to common ion effect. 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) Statement I is correct but Statement II is incorrect (3) Both Statement I and Statement II are incorrect (4) Statement I is incorrect but Statement II is correct

Q35.Which among the following purification methods is based on the principle of “Solubility” in two different solvents? (1) Column Chromatography (2) Sublimation (3) Distillation (4) Differential Extraction

Q35.The ascending acidity order of the following H atoms is (1) C < D < B < A (2) A < B < C < D (3) A < B < D < C (4) D < C < B < A

Q35.Methods used for purification of organic compounds are based on : (1) nature of compound and presence of impurity. (2) neither on nature of compound nor on the impurity present. (3) nature of compound only. (4) presence of impurity only.

Q35. Match List I with List II : Choose the correct answer from the options given below : (1) (A) - (IV), (B) - (III), (C) - (I), (D) - (II) (2) (A) - (I), (B) - (II), (C) - (IV), (D) - (III) (3) (A) - (III), (B) - (I), (C) - (II), (D) - (IV) (4) (A) - (II), (B) - (IV), (C) - (III), (D) - (I)

Q35.Example of vinylic halide is (1) (2) (3) (4)

Q35.A species having carbon with sextet of electrons and can act as electrophile is called (1) carbon free radical (2) carbanion (3) carbocation (4) pentavalent carbon Q36.‘Adsorption’ principle is used for which of the following purification method? (1) Extraction (2) Chromatography (3) Distillation (4) Sublimation

Q35.The number of species from the following that have pyramidal geometry around the central atom is _______. S2O2−3 , SO2−4 , SO2−3 , S2O2−7 (1) 4 (2) 3 (3) 2 (4) 1

Q35. KMnO4 decomposes on heating at 513 K to form O2 along with (1) MnO2 & K2O2 (2) K2 MnO4 & Mn (3) Mn & KO2 (4) K2 MnO4 & MnO2