Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents

Your guest activity stays on this device

Sign in to save progress →
Sign in

Chemistry · 2025 · 29 Jan · Shift 2

25 questions from this JEE Main paper
Guest · filters and generic practice availableBrowsing as a guest · PYQ filters and generic practice are available. Sign in only for personalised features and saved progress.
  1. PYQ Library
  2. /JEE Main
  3. /Papers
  4. /2025 · 29 Jan · Shift 2
  5. /Chemistry

Chemistry · 2025 · 29 Jan · Shift 2

25 questions from this JEE Main paper

Basics of Organic Chemistry2 questionsBiomolecules1 questionsSolutions1 questionsRedox Reactions1 questionsPeriodic Table and Periodicity2 questionsCompounds Containing Nitrogen1 questionsCoordination Compounds3 questionsElectrochemistry2 questionsAlcohols Phenols and Ethers1 questionsChemical Equilibrium1 questionsStructure of Atom2 questionsThermodynamics1 questionsHydrocarbons2 questionsHaloalkanes and Haloarenes1 questionsChemical Kinetics and Nuclear Chemistry1 questionsChemical Bonding and Molecular Structure1 questionsPractical Organic Chemistry1 questionsAldehydes Ketones and Carboxylic Acids1 questions
  1. Q1.Given below are two statements : Statement (I): On nitration of m-xylene with HNO3​,H2​SO4​ followed by oxidation, 4-nitrobenzene-1,3-dicarboxylic acid is obtained as the major product. Statement (II) : −CH3​…
    Chemistry · Basics of Organic Chemistry · MCQ
  2. Q2.Identify the essential amino acids from below: (A) Valine (B) Proline (C) Lysine (D) Threonine (E) Tyrosine Choose the correct answer from the options given below:
    Chemistry · Biomolecules · MCQ
  3. Q3.Given below are two statements : Statement (I): NaCl is added to the ice at 0°C, present in the ice cream box to prevent the melting of ice cream. Statement (II): On addition of NaCl to ice at 0°C, there is a depression in freezing point.…
    Chemistry · Solutions · MCQ
  4. Q4.Given below are two statements : Statement (I): In partition chromatography, stationary phase is thin film of liquid present in the inert support. Statement (II): In paper chromatography, the material of paper acts as a stationary phase.…
    Chemistry · Basics of Organic Chemistry · MCQ
  5. Q5.0.1 M solution of KI reacts with excess of H2​SO4​ and KIO3​ solutions. According to equation 5I−+IO3−​+6H+→3I2​+3H2​O…
    Chemistry · Redox Reactions · MCQ
  6. Q6.The type of oxide formed by the element among Li, Na, Be, Mg, B and Al that has the least atomic radius is :
    Chemistry · Periodic Table and Periodicity · MCQ
  7. Q7.Which one of the following reaction sequences will give an azo dye?
    Chemistry · Compounds Containing Nitrogen · MCQ
  8. Q8.Identify the homoleptic complexes with odd number of d electrons in the central metal : (A) [FeO4​]2−(B) [Fe(CN)6​]3−(C) $\left[\mathrm{Fe}(\mathrm{CN})_5…
    Chemistry · Coordination Compounds · MCQ
  9. Q9.Match List - I with List - II : Choose the correct answer from the options given below : Includes table
    Chemistry · Electrochemistry · MCQ
  10. Q10.Which one of the following, with HBr will give a phenol?
    Chemistry · Alcohols Phenols and Ethers · MCQ
  11. Q11.The calculated spin-only magnetic moments of K3​[Fe(OH)6​] and K4​[Fe(OH)6​] respectively are :
    Chemistry · Coordination Compounds · MCQ
  12. Q12.Consider the equilibrium CO(g)+3H2​( g)⇌CH4​( g)+H2​O( g) If the pressure applied over the system increases by two fold at constant…
    Chemistry · Chemical Equilibrium · MCQ
  13. Q13.First ionisation enthalpy values of first four group 15 elements are given below. Choose the correct value for the element that is a main component of apatite family :
    Chemistry · Periodic Table and Periodicity · MCQ
  14. Q14.For hydrogen like species, which of the following graphs provides the most appropriate representation of E vs Z plot for a constant n? [E : Energy of the stationary state, Z : atomic number, n = principal quantum number]
    Chemistry · Structure of Atom · MCQ
  15. Q15.If C(diamond )→C(graphite) +X kJ mol−1 C (diamond) +O2​( g)→CO2​( g)+YkJmol−1 C (graphite) +O2​( g)→CO2​( g)+ZkJmol−1…
    Chemistry · Thermodynamics · MCQ
  16. Q16.Given below are two statements : Statement (I): It is impossible to specify simultaneously with arbitrary precision, both the linear momentum and the position of a particle. Statement (II) : If the uncertainty in the measurement of…
    Chemistry · Structure of Atom · MCQ
  17. Q17.Total number of sigma (σ) ​ and pi(π) ​ bonds respectively present in hex-1-en-4-yne are:
    Chemistry · Hydrocarbons · MCQ
  18. Q18.Which among the following halides will generate the most stable carbocation in the nucleophilic substitution reaction?
    Chemistry · Haloalkanes and Haloarenes · MCQ
  19. Q19.Drug X becomes ineffective after 50% decomposition. The original concentration of drug in a bottle was 16mg/mL which becomes 4mg/mL in 12 months. The expiry time of the drug in months is ​…
    Chemistry · Chemical Kinetics and Nuclear Chemistry · MCQ
  20. Q20.O2​ gas will be evolved as a product of electrolysis of : (A) an aqueous solution of AgNO3​ using silver electrodes. (B) an aqueous solution of AgNO3​ using platinum electrodes. (C) a dilute solution of H2​SO4​…
    Chemistry · Electrochemistry · MCQ
  21. Q21.Total number of non-bonded electrons present in NO2​ − ion based on Lewis theory is ​.
    Chemistry · Chemical Bonding and Molecular Structure · Numerical
  22. Q22.Consider the following low-spin complexes K3​[Co(NO2​)6​],K4​[Fe(CN)6​],K3​[Fe(CN)6​],Cu2​[Fe(CN)6​] and Zn2​[Fe(CN)6​]…
    Chemistry · Coordination Compounds · Numerical
  23. Q23.In the sulphur estimation, 0.20 g of a pure organic compound gave 0.40 g of barium sulphate. The percentage of sulphur in the compound is ​×10−1%. (Molar mass : O=16, S=32,Ba=137…
    Chemistry · Practical Organic Chemistry · Numerical
  24. Q24.In the Claisen-Schmidt reaction to prepare, dibenzalacetone from 5.3 g of benzaldehyde, a total of 3.51 g of product was obtained. The percentage yield in this reaction was ​ %.
    Chemistry · Aldehydes Ketones and Carboxylic Acids · Numerical
  25. Q25.Isomeric hydrocarbons → negative Baeyer’s test (Molecular formula C9​H12​) The total number of isomers from above with four different non-aliphatic substitution sites is -
    Chemistry · Hydrocarbons · Numerical