Chemistry · 2025 · 4 Apr · Shift 1
25 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 · 2025 · 4 Apr · Shift 1
25 questions from this JEE Main paper
Chemical Kinetics and Nuclear Chemistry2 questionsHydrocarbons1 questionsStructure of Atom1 questionsD and F Block Elements1 questionsElectrochemistry1 questionsAldehydes Ketones and Carboxylic Acids2 questionsAlcohols Phenols and Ethers1 questionsThermodynamics2 questionsChemical Bonding and Molecular Structure2 questionsCoordination Compounds2 questionsCompounds Containing Nitrogen1 questionsP Block Elements2 questionsBiomolecules2 questionsSolutions1 questionsIonic Equilibrium1 questionsPractical Organic Chemistry1 questionsSome Basic Concepts of Chemistry1 questionsRedox Reactions1 questions
- Q1.For for forward and backward reaction are 180 and respectively If catalyst lowers for both…Chemistry · Chemical Kinetics and Nuclear Chemistry · MCQ
- Q2.Predict the major product of the following reaction sequence:- Includes diagramChemistry · Hydrocarbons · MCQ
- Q3.Which one of the following about an electron occupying the 1 s orbital in a hydrogen atom is incorrect? (Bohr's radius is represented by )Chemistry · Structure of Atom · MCQ
- Q4.Rate law for a reaction between and is given by If concentration of is doubled and concentration of is halved from their initial value, the ratio…Chemistry · Chemical Kinetics and Nuclear Chemistry · MCQ
- Q5.Pair of transition metal ions having the same number of unpaired electrons isChemistry · D and F Block Elements · MCQ
- Q6.On charging the lead storage battery, the oxidation state of lead changes from to at the anode and from to at the cathode. The values of are respectively :Chemistry · Electrochemistry · MCQ
- Q7.Aldol condensation is a popular and classical method to prepare -unsaturated carbonyl compounds. This reaction can be both intermolecular and intramolecular. Predict which one of the following is not a product of…Chemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
- Q8.Benzene is treated with oleum to produce compound which when further heated with molten sodium hydroxide followed by acidification produces compound . The compound Y is treated with zinc metal to produce…Chemistry · Alcohols Phenols and Ethers · MCQ
- Q9.One mole of an ideal gas expands isothermally and reversibly from to at 300 K . and work done in the process respectively are Given: …Chemistry · Thermodynamics · MCQ
- Q10.Given below are two statements. In the light of the above statements, choose the correct answer from the options given below: Includes diagramChemistry · Chemical Bonding and Molecular Structure · MCQ
- Q11.Which one of the following complexes will have and B.M?Chemistry · Coordination Compounds · MCQ
- Q12.The major product (A) formed in the following reaction sequence is Includes diagramChemistry · Compounds Containing Nitrogen · MCQ
- Q13.Given below are two statements: Statement I: Nitrogen forms oxides with +1 to +5 oxidation states due to the formation of bond with oxygen. Statement II: Nitrogen does not form halides with +5 oxidation…Chemistry · P Block Elements · MCQ
- Q14.Number of stereoisomers possible for the complexes, and are respectively pyridine, oxalateChemistry · Coordination Compounds · MCQ
- Q15.An organic compound with molecular formula is not readily oxidised. On reduction it gives which reacts with HBr to give a bromide …Chemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
- Q16.Let us consider a reversible reaction at temperature, T. In this reaction, both and were observed to have positive values. If the equilibrium temperature is Te , then the reaction becomes spontaneous…Chemistry · Thermodynamics · MCQ
- Q17.Which of the following molecule(s) show/s paramagnetic behavior? A. B. C. D. E. Choose the correct answer from the options given below:Chemistry · Chemical Bonding and Molecular Structure · MCQ
- Q18.Identify the pair of reactants that upon reaction, with elimination of HCl will give rise to the dipeptide Gly-Ala.Chemistry · Biomolecules · MCQ
- Q19.Given below are the pairs of group 13 elements showing their relation in terms of atomic radius. and Identify the…Chemistry · P Block Elements · MCQ
- Q20. is the membrane/partition between two chambers 1 and 2 containing sugar solutions of concentration and . For the reverse osmosis to take place identify the correct… Includes diagramChemistry · Solutions · MCQ
- Q21.The pH of a 0.01 M weak acid is found to be 5 . Now the acid solution is diluted with excess of water so that the pH of the solution changes to 6 . The new concentration of the…Chemistry · Ionic Equilibrium · Numerical
- Q22.In Dumas' method for estimation of nitrogen 1 g of an organic compound gave 150 mL of nitrogen collected at 300 K temperature and 900 mm Hg pressure. The percentage composition of nitrogen in the compound is %…Chemistry · Practical Organic Chemistry · Numerical
- Q23.Fortification of food with iron is done using . The mass in grams of the . required to achieve 12 ppm of iron in 150 kg of wheat is …Chemistry · Some Basic Concepts of Chemistry · Numerical
- Q24. acts as an oxidising agent in acidic medium. ' X ' is the difference between the oxidation states of Mn in reactant and product. ' Y ' is the number of ' d ' electrons present in the brown red precipitate formed at the…Chemistry · Redox Reactions · Numerical
- Q25.The total number of hydrogen bonds of a DNA-double Helix strand whose one strand has the following sequence of bases is . …Chemistry · Biomolecules · Numerical