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Chemistry · 2024 · 6 Apr · Shift 1

30 questions from this JEE Main paper
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Chemistry · 2024 · 6 Apr · Shift 1

30 questions from this JEE Main paper

D and F Block Elements2 questionsElectrochemistry1 questionsChemistry in Everyday Life1 questionsChemical Equilibrium1 questionsPeriodic Table and Periodicity1 questionsCoordination Compounds3 questionsBasics of Organic Chemistry2 questionsSalt Analysis1 questionsP Block Elements2 questionsSome Basic Concepts of Chemistry1 questionsChemical Bonding and Molecular Structure3 questionsPractical Organic Chemistry1 questionsAlcohols Phenols and Ethers1 questionsAldehydes Ketones and Carboxylic Acids1 questionsBiomolecules1 questionsCompounds Containing Nitrogen2 questionsHydrocarbons2 questionsChemical Kinetics and Nuclear Chemistry1 questionsIonic Equilibrium1 questionsThermodynamics1 questionsStructure of Atom1 questions
  1. Q1.The number of element from the following that do not belong to lanthanoids is Eu,Cm,Er,Tb,Yb and Lu
    Chemistry · D and F Block Elements · MCQ
  2. Q2.A conductivity cell with two electrodes (dark side) are half filled with infinitely dilute aqueous solution of a weak electrolyte. If volume is doubled by adding more water at constant temperature, the molar conductivity of the cell will - Includes diagram
    Chemistry · Electrochemistry · MCQ
  3. Q3.Match List I with List II Choose the correct answer from the options given below: Includes table
    Chemistry · Chemistry in Everyday Life · MCQ
  4. Q4.At −20∘C and 1 atm pressure, a cylinder is filled with equal number of H2​,I2​ and HI molecules for the reaction H2​( g)+I2​( g)⇌2HI(g)…
    Chemistry · Chemical Equilibrium · MCQ
  5. Q5.The electron affinity value are negative for A. Be→Be− B. N→N− C. O→O2− D. Na→Na− E. Al→Al−…
    Chemistry · Periodic Table and Periodicity · MCQ
  6. Q6.Consider the following complexes (A) [CoCl(NH3​)5​]2+, (B) [Co(CN)6​]3−, (C) [Co(NH3​)5​(H2​O)]3+…
    Chemistry · Coordination Compounds · MCQ
  7. Q7.Functional group present in sulphonic acids is :
    Chemistry · Basics of Organic Chemistry · MCQ
  8. Q8.Match List I with List II Choose the correct answer from the options given below: Includes table
    Chemistry · Salt Analysis · MCQ
  9. Q9.Given below are two statements : Statement I : Gallium is used in the manufacturing of thermometers. Statement II : A thermometer containing gallium is useful for measuring the freezing point (256 K) of brine solution. In the…
    Chemistry · P Block Elements · MCQ
  10. Q10.The density of 'x' M solution ('x' molar) of NaOH is 1.12 g mL−1, while in molality, the concentration of the solution is 3 m( 3 molal). Then x is (Given : Molar mass of NaOH…
    Chemistry · Some Basic Concepts of Chemistry · MCQ
  11. Q11.Match List I with List II Choose the correct answer from the options given below: Includes table
    Chemistry · Chemical Bonding and Molecular Structure · MCQ
  12. Q12.Match List I with List II Choose the correct answer from the options given below: Includes table
    Chemistry · Chemical Bonding and Molecular Structure · MCQ
  13. Q13.Which of the following statements are correct? A. Glycerol is purified by vacuum distillation because it decomposes at its normal boiling point. B. Aniline can be purified by steam distillation as aniline is miscible in water. C. Ethanol…
    Chemistry · Practical Organic Chemistry · MCQ
  14. Q14.Which of the following material is not a semiconductor.
    Chemistry · P Block Elements · MCQ
  15. Q15.Which of the following is metamer of the given compound (X) ? Includes diagram
    Chemistry · Basics of Organic Chemistry · MCQ
  16. Q16.In Reimer - Tiemann reaction, phenol is converted into salicylaldehyde through an intermediate. The structure of intermediate is ​.
    Chemistry · Alcohols Phenols and Ethers · MCQ
  17. Q17.Which among the following aldehydes is most reactive towards nucleophilic addition reactions?
    Chemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
  18. Q18.DNA molecule contains 4 bases whose structure are shown below. One of the structures is not correct, identify the incorrect base structure.
    Chemistry · Biomolecules · MCQ
  19. Q19.Match List I with List II Choose the correct answer from the options given below: Includes table
    Chemistry · Coordination Compounds · MCQ
  20. Q20.Given below are two statements : Statement I : Piciric acid is 2,4,6 - trinitrotoluene. Statement II : Phenol - 2,4 - disulphonic acid is treated with Conc. HNO3​ to get picric acid. In the light of the above statements, choose…
    Chemistry · Compounds Containing Nitrogen · MCQ
  21. Q21.The major product of the following reaction is P. CH3​C≡C−CH3​ (i) Na /liq. NH3​ (ii) dil. KMnO4​273 K​​…
    Chemistry · Hydrocarbons · Numerical
  22. Q22.Time required for 99.9% completion of a first order reaction is ​ times the time required for completion of 90% reaction.(nearest integer)
    Chemistry · Chemical Kinetics and Nuclear Chemistry · Numerical
  23. Q23.Consider the dissociation of the weak acid HX as given below HX(aq)⇌H+(aq)+X−(aq),Ka=1.2×10−5[Ka​: dissociation…
    Chemistry · Ionic Equilibrium · Numerical
  24. Q24.An ideal gas, Cv​=25​R, is expanded adiabatically against a constant pressure of 1 atm untill it doubles in volume. If the initial temperature and pressure is 298 K and 5 atm…
    Chemistry · Thermodynamics · Numerical
  25. Q25.The major products from the following reaction sequence are product A and product B. The total sum of π electrons in product A and product B are ​ (nearest integer) Includes diagram
    Chemistry · Hydrocarbons · Numerical
  26. Q26.The difference in the 'spin-only' magnetic moment values of KMnO4​ and the manganese product formed during titration of KMnO4​ against oxalic acid in acidic medium is ​BM. (nearest…
    Chemistry · Coordination Compounds · Numerical
  27. Q27.9.3 g of pure aniline upon diazotisation followed by coupling with phenol gives an orange dye. The mass of orange dye produced (assume 100% yield/conversion) is ​ g. (nearest integer)
    Chemistry · Compounds Containing Nitrogen · Numerical
  28. Q28.Number of molecules from the following which can exhibit hydrogen bonding is ​. (nearest integer) Includes diagram
    Chemistry · Chemical Bonding and Molecular Structure · Numerical
  29. Q29.Among CrO,Cr2​O3​ and CrO3​, the sum of spin-only magnetic moment values of basic and amphoteric oxides is ​10−2BM(nearest integer). (Given atomic number of Cr…
    Chemistry · D and F Block Elements · Numerical
  30. Q30.Frequency of the de-Broglie wave of electron in Bohr's first orbit of hydrogen atom is ​×1013 Hz(nearest integer). [Given : RH​(Rydberg constant) =2.18×10−18 J,h…
    Chemistry · Structure of Atom · Numerical