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Chemistry · 2025 · 2 Apr · Shift 1

25 questions from this JEE Main paper
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Chemistry · 2025 · 2 Apr · Shift 1

25 questions from this JEE Main paper

Basics of Organic Chemistry2 questionsSome Basic Concepts of Chemistry2 questionsIonic Equilibrium1 questionsPeriodic Table and Periodicity2 questionsSalt Analysis1 questionsSolutions2 questionsChemical Bonding and Molecular Structure3 questionsCoordination Compounds2 questionsAldehydes Ketones and Carboxylic Acids2 questionsThermodynamics1 questionsStructure of Atom1 questionsBiomolecules1 questionsCompounds Containing Nitrogen1 questionsChemical Kinetics and Nuclear Chemistry1 questionsPractical Organic Chemistry1 questionsElectrochemistry1 questionsChemical Equilibrium1 questions
  1. Q1.Consider the following compound (X) The most stable and least stable carbon radicals, respectively, produced by homolytic cleavage of corresponding C−H bond are : Includes diagram
    Chemistry · Basics of Organic Chemistry · MCQ
  2. Q2.CaCO3​( s)+2HCl(aq)→CaCl2​(aq)+CO2​( g)+H2​O(l) Consider the above reaction, what mass of CaCl2​ will be formed…
    Chemistry · Some Basic Concepts of Chemistry · MCQ
  3. Q3.If equal volumes of AB2​ and XY(both are salts) aqueous solutions are mixed, which of the following combination will give a precipitate of AY2​ at 300 K ? (Given Ksp​( at 300 K ) for AY2​=5.2×10−7…
    Chemistry · Ionic Equilibrium · MCQ
  4. Q4.Given below are two statements : Statement (I) : The metallic radius of Al is less than that of Ga . Statement (II) : The ionic radius of Al3+ is less than that of Ga3+. In the light of the above statements,…
    Chemistry · Periodic Table and Periodicity · MCQ
  5. Q5.Designate whether each of the following compounds is aromatic or not aromatic. Includes diagram
    Chemistry · Basics of Organic Chemistry · MCQ
  6. Q6.Choose the correct tests with respective observations. (A) CuSO4​(acidified with acetic acid) +K4​[Fe(CN)6​]→ Chocolate brown precipitate. (B) FeCl3​+K4​[Fe(CN)6​]→…
    Chemistry · Salt Analysis · MCQ
  7. Q7.A solution is made by mixing one mole of volatile liquid A with 3 moles of volatile liquid B. The vapour pressure of pure A is 200 mm Hg and that of the solution is 500 mm Hg . The vapour pressure of pure B and the least volatile…
    Chemistry · Solutions · MCQ
  8. Q8.A molecule with the formula AX4​Y has all it's elements from p-block. Element A is rarest, monoatomic, non-radioactive from its group and has the lowest ionization enthalpy value among A,X and Y .…
    Chemistry · Chemical Bonding and Molecular Structure · MCQ
  9. Q9.Given below are two statements : Statement (I) : In octahedral complexes, when Δ0​P low spin complexes are formed. Statement (II) : In tetrahedral complexes because of$\Delta_t In the light of the above statements, choose the most…
    Chemistry · Coordination Compounds · MCQ
  10. Q10.On complete combustion 1.0 g of an organic compound (X) gave 1.46 g of CO2​ and 0.567 g of H2​O. The empirical formula mass of compound (X) is ​ g. (Given molar…
    Chemistry · Some Basic Concepts of Chemistry · MCQ
  11. Q11.Given below are two statements: Statement I : Vanilin will react with NaOH and also with Tollen's reagent. Statement II : Vanilin will undergo self aldol condensation very easily. In the light of the above statements, choose the most… Includes diagram
    Chemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
  12. Q12.An optically active alkyl halide C4​H9​Br[A] reacts with hot KOH dissolved in ethanol and forms alkene [B] as major product which reacts with bromine to give dibromide [C]. The compound [C] is…
    Chemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
  13. Q13.Two vessels A and B are connected via stopcock. The vessel A is filled with a gas at a certain pressure. The entire assembly is immersed in water and is allowed to come to thermal equilibrium with water. After opening the stopcock the gas… Includes diagram
    Chemistry · Thermodynamics · MCQ
  14. Q14.Among SO2​,NF3​,NH3​,XeF2​,ClF3​ and SF4​, the hybridization of the molecule with nonzero dipole moment and highest number of lone-pairs of electrons on the central atom is
    Chemistry · Chemical Bonding and Molecular Structure · MCQ
  15. Q15.Which of the following graph correctly represents the plots of KH​ at 1 bar for gases in water versus temperature?
    Chemistry · Solutions · MCQ
  16. Q16.According to Bohr's model of hydrogen atom, which of the following statement is incorrect?
    Chemistry · Structure of Atom · MCQ
  17. Q17.Identify the correct statement among the following :
    Chemistry · Biomolecules · MCQ
  18. Q18.The correct order of basic nature in aqueous solution for the bases NH3​,H2​ N−NH2​,CH3​CH2​NH2​,(CH3​CH2​)2​NH and (CH3​CH2​)3​ N…
    Chemistry · Compounds Containing Nitrogen · MCQ
  19. Q19.The property/properties that show irregularity in first four elements of group-17 is/are (A) Covalent radius (B) Electron affinity (C) Ionic radius (D) First ionization energy Choose the correct answer from the options given below :
    Chemistry · Periodic Table and Periodicity · MCQ
  20. Q20.Consider the following molecules: The correct order of rate of hydrolysis is : Includes diagram
    Chemistry · Chemical Bonding and Molecular Structure · MCQ
  21. Q21.For the reaction A → products. The concentration of A at 10 minutes is ​×10−3 mol L−1(nearest integer). The reaction was started with 2.5 mol L−1 of A . Includes diagram
    Chemistry · Chemical Kinetics and Nuclear Chemistry · Numerical
  22. Q22.0.1 mol of the following given antiviral compound (P) will weigh ​×10−1 g(nearest integer). (Given : molar mass in gmol−1H:1,C:12, N:14,O:16, F:19,I:127… Includes diagram
    Chemistry · Practical Organic Chemistry · Numerical
  23. Q23.Consider the following electrochemical cell at standard condition. Au( s)∣QH2​,Q∣NH4​X(0.01M)∣∣Ag+(1M)∣Ag( s)Ecell ​=+0.4 V… Includes diagram
    Chemistry · Electrochemistry · Numerical
  24. Q24.Consider the following equilibrium, CO( g)+2H2​( g)⇌CH3​OH( g) 0.1 mol of CO along with a catalyst is present in a 2dm3 flask maintained…
    Chemistry · Chemical Equilibrium · Numerical
  25. Q25.A transition metal (M) among Mn,Cr,Co and Fe has the highest standard electrode potential (M3+/M2+). It forms a metal complex of the type [M(CN)6​]4−…
    Chemistry · Coordination Compounds · Numerical