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Chemistry · 2025 · 28 Jan · Shift 2

25 questions from this JEE Main paper
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Chemistry · 2025 · 28 Jan · Shift 2

25 questions from this JEE Main paper

Hydrocarbons2 questionsHaloalkanes and Haloarenes1 questionsBasics of Organic Chemistry1 questionsCoordination Compounds3 questionsIonic Equilibrium1 questionsBiomolecules2 questionsThermodynamics2 questionsStructure of Atom1 questionsD and F Block Elements1 questionsAldehydes Ketones and Carboxylic Acids1 questionsSolutions1 questionsIsolation of Elements1 questionsCompounds Containing Nitrogen1 questionsSalt Analysis1 questionsChemical Kinetics and Nuclear Chemistry2 questionsPeriodic Table and Periodicity1 questionsSome Basic Concepts of Chemistry1 questionsElectrochemistry1 questionsP Block Elements1 questions
  1. Q1.The product B formed in the following reaction sequence is: Includes diagram
    Chemistry · Hydrocarbons · MCQ
  2. Q2.The major product of the following reaction is: Includes diagram
    Chemistry · Haloalkanes and Haloarenes · MCQ
  3. Q3.Given below are two statements: Statement I: and are isomeric compounds. Statement II: and are functional group isomers. In the light of the above statements, choose the correct answer from the options given below: Includes diagram
    Chemistry · Basics of Organic Chemistry · MCQ
  4. Q4.Match List - I with List - II. Choose the correct answer from the options given below: Includes table
    Chemistry · Coordination Compounds · MCQ
  5. Q5.Arrange the following in increasing order of solubility product : Ca(OH)2​,AgBr,PbS,HgS
    Chemistry · Ionic Equilibrium · MCQ
  6. Q6.Match List-I with List-II. Choose the correct answer from the options given below : Includes table
    Chemistry · Biomolecules · MCQ
  7. Q7.An ideal gas undergoes a cyclic transformation starting from the point A and coming back to the same point by tracing the path A→B→C→D→A as shown in the three cases above. Choose the correct option regarding ΔU : Includes diagram
    Chemistry · Thermodynamics · MCQ
  8. Q8.Which of the following is/are not correct with respect to energy of atomic orbitals of hydrogen atom? (A) 1s < 2p < 3d < 4s (B) 1s < 2s = 2p < 3s = 3p (C) 1s < 2s < 2p < 3s < 3p (D) 1s < 2s < 4s < 3d…
    Chemistry · Structure of Atom · MCQ
  9. Q9.The amphoteric oxide among V2​O3​, V2​O4​ and V2​O5​, upon reaction with alkali leads to formation of an oxide anion. The oxidation state of V in the oxide anion is :
    Chemistry · D and F Block Elements · MCQ
  10. Q10.Identify product [A], [B] and [C] in the following reaction sequence. CH3​−C≡CHPd/CH2​​[A] (i) O3​ (ii) Zn,H2​O​[ B]+[C]…
    Chemistry · Hydrocarbons · MCQ
  11. Q11.Identify correct conversion during acidic hydrolysis from the following : (A) starch gives galactose. (B) cane sugar gives equal amount of glucose and fructose. (C) milk sugar gives glucose and galactose. (D) amylopectin gives glucose and…
    Chemistry · Biomolecules · MCQ
  12. Q12.The total number of compounds from below when treated with hot KMnO4​, giving benzoic acid is: Includes diagram
    Chemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
  13. Q13.Assume a living cell with 0.9% (w/w) of glucose solution (aqueous). This cell is immersed in another solution having equal mole fraction of glucose and water. (Consider the data upto first decimal place only) The cell will :
    Chemistry · Solutions · MCQ
  14. Q14.The purification method based on the following physical transformation is : (X) Solid ​ Heat ​(X) Vapour ​ Cool ​(X) Solid ​
    Chemistry · Isolation of Elements · MCQ
  15. Q15.Identify correct statements : (A) Primary amines do not give diazonium salts when treated with NaNO2​ in acidic condition. (B) Aliphatic and aromatic primary amines on heating with CHCl3​ and ethanolic KOH form…
    Chemistry · Compounds Containing Nitrogen · MCQ
  16. Q16.Identify the inorganic sulphides that are yellow in colour : (A) (NH4​)2​S(B) PbS(C) CuS(D) As2​S3​(E) As2​S5​ Choose the correct answer from the options given below :
    Chemistry · Salt Analysis · MCQ
  17. Q17.Consider an elementary reaction A( g)+B( g)→C( g)+D( g) If the volume of reaction mixture is suddenly reduced to 31​ of its initial volume,…
    Chemistry · Chemical Kinetics and Nuclear Chemistry · MCQ
  18. Q18.Given below are two statements : Statement I : According to the Law of Octaves, the elements were arranged in the increasing order of their atomic number. Statement II : Meyer observed a periodically repeated pattern upon plotting physical…
    Chemistry · Periodic Table and Periodicity · MCQ
  19. Q19.Concentrated nitric acid is labelled as 75% by mass. The volume in mL of the solution which contains 30 g of nitric acid is ​. Given : Density of nitric acid solution is 1.25 g/mL.
    Chemistry · Some Basic Concepts of Chemistry · MCQ
  20. Q20.For bacterial growth in a cell culture, growth law is very similar to the law of radioactive decay. Which of the following graphs is most suitable to represent bacterial colony growth ? Where N - Number of Bacteria at any time, N0​…
    Chemistry · Chemical Kinetics and Nuclear Chemistry · MCQ
  21. Q21.The spin only magnetic moment ( μ) value (B.M.) of the compound with strongest oxidising power among Mn2​O3​,TiO and VO is ​ B.M. (Nearest integer).
    Chemistry · Coordination Compounds · Numerical
  22. Q22.Total number of molecules/species from following which will be paramagnetic is ​. O2​,O2+​,O2−​,NO,NO2​,CO,K2​[NiCl4​],[Co(NH3​)6​]Cl3​, K2​[Ni(CN)4​]…
    Chemistry · Coordination Compounds · Numerical
  23. Q23.Electrolysis of 600 mL aqueous solution of NaCl for 5 min changes the pH of the solution to 12 . The current in Amperes used for the given electrolysis is ​ . (Nearest integer).
    Chemistry · Electrochemistry · Numerical
  24. Q24.Consider the following data : Heat of formation of CO2​(g)=−393.5 kJ mol−1 Heat of formation of H2​O(l)=−286.0 kJ mol−1 Heat of…
    Chemistry · Thermodynamics · Numerical
  25. Q25.A group 15 element forms dπ−dπ bond with transition metals. It also forms hydride, which is a strongest base among the hydrides of other group members that form dπ−dπ bond. The atomic number of the element…
    Chemistry · P Block Elements · Numerical