Chemistry · 2021 · 25 Feb · Shift 2
23 questions from this JEE Main paperGuest · filters and generic practice availableBrowsing as a guest · PYQ filters and generic practice are available. Sign in only for personalised features and saved progress.
Chemistry · 2021 · 25 Feb · Shift 2
23 questions from this JEE Main paper
Hydrocarbons2 questionsAlcohols Phenols and Ethers1 questionsIonic Equilibrium1 questionsChemical Bonding and Molecular Structure1 questionsCoordination Compounds2 questionsBasics of Organic Chemistry1 questionsCompounds Containing Nitrogen2 questionsSalt Analysis1 questionsBiomolecules1 questionsPractical Organic Chemistry2 questionsAldehydes Ketones and Carboxylic Acids2 questionsPeriodic Table and Periodicity1 questionsElectrochemistry1 questionsSolutions1 questionsStructure of Atom2 questionsThermodynamics1 questionsChemical Kinetics and Nuclear Chemistry1 questions
- Q1.The correct sequence of reagents used in the preparation of 4-bromo-2-nitroethyl benzene from benzene is :Chemistry · Hydrocarbons · MCQ
- Q2.What is 'X' in the given reaction? Includes diagramChemistry · Alcohols Phenols and Ethers · MCQ
- Q3.The solubility of in water is : [Given : The solubility product of in water = 5.5 10 6]Chemistry · Ionic Equilibrium · MCQ
- Q4.Which among the following species has unequal bond lengths?Chemistry · Chemical Bonding and Molecular Structure · MCQ
- Q5.In which of the following order the given complex ions are arranged correctly with respect to their decreasing spin only magnetic moment? (i) (ii) (iii) (iv)Chemistry · Coordination Compounds · MCQ
- Q6.The correct order of acid character of the following compounds is : Includes diagramChemistry · Basics of Organic Chemistry · MCQ
- Q7.The major product of the following reaction is : Includes diagramChemistry · Hydrocarbons · MCQ
- Q8.Correct statement about the given chemical reaction is : Includes diagramChemistry · Compounds Containing Nitrogen · MCQ
- Q9.Given below are two statements : Statement I : The identification of is carried out by dimethyl glyoxime in the presence of . Statement II : The dimethyl glyoxime is a bidentate neutral ligand. In the light of the above…Chemistry · Salt Analysis · MCQ
- Q10.Carbylamine test is used to detect the presence of primary amino group in an organic compound. Which of the following compound is formed when this test is performed with aniline?Chemistry · Compounds Containing Nitrogen · MCQ
- Q11.Which of the following is correct structure of -anomer of maltose?Chemistry · Biomolecules · MCQ
- Q12.Which of the following compound is added to the sodium extract before addition of silver nitrate for testing of halogens?Chemistry · Practical Organic Chemistry · MCQ
- Q13.The major product of the following reaction is : Includes diagramChemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
- Q14.The correct order of bond dissociation enthalpy of halogens is :Chemistry · Periodic Table and Periodicity · MCQ
- Q15.Copper reduces NO into and depending upon the concentration of in solution. (Assuming fixed [Cu2+] and PNO = PNO2), the concentration at which the thermodynamic tendency for reduction of NO into …Chemistry · Electrochemistry · Numerical
- Q16.The spin only magnetic moment of a divalent ion in aqueous solution (atomic number 29) is BM.Chemistry · Coordination Compounds · Numerical
- Q17.If a compound AB dissociates to the extent of 75% in an aqueous solution, the molality of the solution which shows a 2.5 K rise in the boiling point of the solution is molal. (Rounded off to the nearest integer)…Chemistry · Solutions · Numerical
- Q18.Electromagnetic radiation of wavelength 663 nm is just sufficient to ionise the atom of metal A. The ionization enegy of metal A in kJ mol 1 is . (Rounded off to the nearest integer) [h = 6.63 10 …Chemistry · Structure of Atom · Numerical
- Q19.Consider titration of NaOH solution versus 1.25 M oxalic acid solution. At the end point following burette readings were obtained. (i) 4.5 mL (ii) 4.5 mL (iii) 4.4 mL (iv) 4.4 mL (v) 4.4 mL If the volume of oxalic acid taken was 10.0 mL…Chemistry · Practical Organic Chemistry · Numerical
- Q20.Five moles of an ideal gas at 293 K is expanded isothermally from an initial pressure of 2.1 MPa to 1.3 MPa against at constant external pressure 4.3 MPa. The heat transferred in this process is kJ mol 1.…Chemistry · Thermodynamics · Numerical
- Q21.The number of compound/s given below which contain/s -COOH group is . (Integer answer) (A) Sulphanilic acid (B) Picric acid (C) Aspirin (D) Ascorbic acidChemistry · Aldehydes Ketones and Carboxylic Acids · Numerical
- Q22.The rate constant of a reaction increases by five times on increase in temperature from 27 C to 52 C. The value of activation energy in kJ mol 1 is . (Rounded off to the nearest integer) [R =…Chemistry · Chemical Kinetics and Nuclear Chemistry · Numerical
- Q23.Among the following, number of metal/s which can be used as electrodes in the photoelectric cell is . (Integer answer) (A) Li (B) Na (C) Rb (D) CsChemistry · Structure of Atom · Numerical