Practice Questions

Q45.The number of geometrical isomers found in the metal complexes [PtCl2 (NH3)2], [Ni(CO)4], [Ru (H2O)3 Cl3] and [CoCl2 (NH3)4]+ respectively, are: (1) 1, 1, 1, 1 (2) 2, 0, 2, 2 (3) 2, 1, 2, 2 (4) 2, 1, 2, 1

Q45.Indicate the complex/complex ion which did not show any geometrical isomerism : (1) [Co (NH3)4 Cl2]+ (2) [Co (NH3)3(NO2)3] (3) [Co(CN)5(NC)]3− (4) [CoCl2(en)2]

Q45.The correct order of reactivity of the given chlorides with acetate in acetic acid is : (1) (2) (3) (4) JEE Main 2021 (31 Aug Shift 1) JEE Main Previous Year Paper

Q45.Experimentally reducing a functional group cannot be done by which one of the following reagents ? (1) Zn / H2O (2) Pt - C / H2 (3) Pd - C / H2 (4) Na / H2

Q46.The correct structures of A and B formed in the following reactions are : (1) (2) (3) (4)

Q46.Which of the following is least basic? (1) (CH3 CO)¨N HC2 H5 (2) (C2H5)3 ¨N (3) (CH3 CO)2 ¨NH (4) (C2H5)2 ¨NH

Q46. The product " P" in the above reaction is : (1) (2) (3) (4)

Q46. Consider the above reaction, the major product P formed is :- JEE Main 2021 (27 Jul Shift 2) JEE Main Previous Year Paper (1) (2) (3) (4)

Q46. Consider the above reaction, the product X and Y respectively are : (1) (2) (3) (4)

Q46.The hybridization and magnetic nature of [Mn (CN)6]4− and [Fe (CN)6]3−, respectively are : (1) sp3 d2 and diamagnetic (2) d2 sp3 and paramagnetic (3) sp3 d2 and paramagnetic (4) d2 sp3 and diamagnetic

Q46.Which one of the products of the following reactions does not react with Hinsberg reagent to form sulphonamide? JEE Main 2021 (25 Jul Shift 1) JEE Main Previous Year Paper (1) (2) (3) (4)

Q46.Given below are two statements : Statement I : The process of producing syn-gas is called gasification of coal. Statement II : The composition of syn-gas is CO + CO2 + H2(1 : 1 : 1). 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 true but Statement II is false (3) Statement I is false but Statement II is true. (4) Both Statement I and Statement II are true.

Q46.For the reaction given below : The compound which is not formed as a product in the reaction is a : (1) diol (2) monocarboxylic acid (3) compound with both alcohol and acid functional (4) dicarboxylic acid groups

Q46.Given below are two statements: Statement I : The identification of Ni2+ is carried out by dimethyl glyoxime in the presence of NH4 OH. Statement II :The dimethyl glyoxime is a bidentate neutral ligand. In the light of the above statements, choose the correct answer from the options given below: (1) Statement I is false but Statement II is true. (2) Statement I is true but Statement II is false. (3) Both Statement I and Statement II are true. (4) Both Statement I and Statement II are false.

Q46.Identify A in the following chemical reaction. (1) (2) (3) (4)

Q46.Which of the following compounds will provide a tertiary alcohol on reaction with excess of CH3 MgBr followed by hydrolysis ? JEE Main 2021 (22 Jul Shift 1) JEE Main Previous Year Paper (1) (2) (3) (4)

Q46.Which one of the following phenols does not give colour when condensed with phthalic anhydride in presence of conc. H2 SO4 ? JEE Main 2021 (26 Aug Shift 2) JEE Main Previous Year Paper (1) (2) (3) (4)

Q46. The correct order of their reactivity towards hydrolysis at room temperature is: (1) (A) > (B) > (C) > (D) (2) (D) > (A) > (B) > (C) (3) (D) > (B) > (A) > (C) (4) (A) > (C) > (B) > (D)

Q46. Maleic anhydride Maleic anhydride can be prepared by : (1) Heating trans-but-2-enedioic acıd (2) Heating cis-but-2-enedioic acid (3) Treating cis-but-2-enedioic acid with alcohol and (4) Treating trans-but-2-enedioic acid with alcohol acid and acid JEE Main 2021 (25 Jul Shift 2) JEE Main Previous Year Paper

Q46. The product "A" in the above reaction is: (1) (2) (3) (4)

Q46.The correct options for the products A and B of the following reactions are: (1) (2) (3) (4)

Q46.Which one of the following carbonyl compounds cannot be prepared by addition of water on an alkyne in the presence of HgSO4 and H2 SO4? JEE Main 2021 (24 Feb Shift 2) JEE Main Previous Year Paper (1) (2) (3) (4)

Q46. In the above reaction, the structural formula of (A), "X" and "Y" respectively are : (1) (2) (3) (4)

Q46. Which among the above compound/s does/do not form Silver mirror when treated with Tollen's reagent? (1) (I), (III) and (IV) only (2) Only (IV) (3) Only (II) (4) (III) and (IV) only

Q46.Which of the following reagent is used for the following reaction? ? CH3CH2CH3 →CH3CH2CHO (1) Copper at high temperature and pressure (2) Manganese acetate (3) Molybdenum oxide (4) Potassium permanganate