Chemistry · 2023 · 24 Jan · Shift 1
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 · 2023 · 24 Jan · Shift 1
23 questions from this JEE Main paper
Coordination Compounds2 questionsAlcohols Phenols and Ethers1 questionsChemical Bonding and Molecular Structure2 questionsHaloalkanes and Haloarenes2 questionsD and F Block Elements1 questionsHydrocarbons1 questionsAldehydes Ketones and Carboxylic Acids2 questionsStructure of Atom3 questionsSolutions1 questionsCompounds Containing Nitrogen1 questionsThermodynamics1 questionsSome Basic Concepts of Chemistry2 questionsBiomolecules1 questionsChemical Kinetics and Nuclear Chemistry1 questionsIonic Equilibrium1 questionsElectrochemistry1 questions
- Q1.The primary and secondary valencies of cobalt respectively in are :Chemistry · Coordination Compounds · MCQ
- Q2.'A' and 'B' formed in the following set of reactions are : Includes diagramChemistry · Alcohols Phenols and Ethers · MCQ
- Q3.Decreasing order of the hydrogen bonding in following forms of water is correctly represented by A. Liquid water B. Ice C. Impure water Choose the correct answer from the options given below :Chemistry · Chemical Bonding and Molecular Structure · MCQ
- Q4.Assertion A : Hydrolysis of an alkyl chloride is a slow reaction but in the presence of NaI, the rate of the hydrolysis increases. Reason R : I is a good nucleophile as well as a good leaving group. In the light of the above…Chemistry · Haloalkanes and Haloarenes · MCQ
- Q5.An ammoniacal metal salt solution gives a brilliant red precipitate on addition of dimethylglyoxime. The metal ion is :Chemistry · D and F Block Elements · MCQ
- Q6.In the following given reaction, 'A' is Includes diagramChemistry · Hydrocarbons · MCQ
- Q7.'R' formed in the following sequence of reactions is : Includes diagramChemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
- Q8.The magnetic moment of a transition metal compound has been calculated to be 3.87 B.M. The metal ion isChemistry · Structure of Atom · MCQ
- Q9.Compound (X) undergoes following sequence of reactions to give the Lactone (Y). Includes diagramChemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
- Q10.In the depression of freezing point experiment A. Vapour pressure of the solution is less than that of pure solvent B. Vapour pressure of the solution is more than that of pure solvent C. Only solute molecules solidify at the freezing…Chemistry · Solutions · MCQ
- Q11.Order of Covalent bond; A. B. C. D. E. Choose the…Chemistry · Chemical Bonding and Molecular Structure · MCQ
- Q12.It is observed that characteristic X-ray spectra of elements show regularity. When frequency to the power "n" i.e. of X-rays emitted is plotted against atomic number "Z", following graph is obtained. The value of 'n' is : Includes diagramChemistry · Structure of Atom · MCQ
- Q13.Increasing order of stability of the resonance structures is : Choose the correct answer from the options given below : Includes diagramChemistry · Compounds Containing Nitrogen · MCQ
- Q14.For independent process at 300 K The number of non-spontaneous process from the following is Includes tableChemistry · Thermodynamics · Numerical
- Q15.When is heated in presence of oxygen, it converts to . The number of correct statement/s from the following is A. The equivalent weight of is …Chemistry · Some Basic Concepts of Chemistry · Numerical
- Q16.5 g of NaOH was dissolved in deionized water to prepare a 450 mL stock solution. What volume (in mL) of this solution would be required to prepare 500 mL of 0.1 M solution? Given : Molar Mass of Na, O and H is…Chemistry · Some Basic Concepts of Chemistry · Numerical
- Q17.Uracil is a base present in RNA with the following structure. % of N in uracil is Given: Molar mass N = 14 g mol O = 16 g mol C = 12 g mol H = 1 g mol Includes diagramChemistry · Biomolecules · Numerical
- Q18.Number of moles of AgCl formed in the following reaction is Includes diagramChemistry · Haloalkanes and Haloarenes · Numerical
- Q19.The number of correct statement/s from the following is A. Larger the activation energy, smaller is the value of the rate constant. B. The higher is the activation energy, higher is the value of the temperature…Chemistry · Chemical Kinetics and Nuclear Chemistry · Numerical
- Q20.The dissociation constant of acetic acid is . When 25 mL of 0.2 solution is mixed with 25 mL of 0.02 solution, the pH of the resultant solution is found to be equal to 5. The…Chemistry · Ionic Equilibrium · Numerical
- Q21.At 298 K, a 1 litre solution containing 10 mmol of and 100 mmol of shows a pH of 3.0. Given : V and …Chemistry · Electrochemistry · Numerical
- Q22.The d-electronic configuration of in tetrahedral crystal field in . Sum of "m" and "number of unpaired electrons" isChemistry · Coordination Compounds · Numerical
- Q23.If wavelength of the first line of the Paschen series of hydrogen atom is 720 nm, then the wavelength of the second line of this series is nm. (Nearest integer)Chemistry · Structure of Atom · Numerical