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Chemistry · 2021 · 31 Aug · Shift 1

21 questions from this JEE Main paper
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Chemistry · 2021 · 31 Aug · Shift 1

21 questions from this JEE Main paper

Haloalkanes and Haloarenes1 questionsD and F Block Elements2 questionsBiomolecules1 questionsCompounds Containing Nitrogen2 questionsAlcohols Phenols and Ethers2 questionsCoordination Compounds1 questionsPeriodic Table and Periodicity1 questionsBasics of Organic Chemistry2 questionsSolutions1 questionsAldehydes Ketones and Carboxylic Acids1 questionsElectrochemistry1 questionsSome Basic Concepts of Chemistry1 questionsChemical Kinetics and Nuclear Chemistry2 questionsChemical Bonding and Molecular Structure1 questionsStructure of Atom1 questionsIonic Equilibrium1 questions
  1. Q1.The correct order of reactivity of the given chlorides with acetate in acetic acid is :
    Chemistry · Haloalkanes and Haloarenes · MCQ
  2. Q2.In the structure of the dichromate ion, there is a :
    Chemistry · D and F Block Elements · MCQ
  3. Q3.Which one of the following compounds contains β-C1​−C4​ glycosidic linkage?
    Chemistry · Biomolecules · MCQ
  4. Q4.The major products A and B in the following set of reactions are : Includes diagram
    Chemistry · Compounds Containing Nitrogen · MCQ
  5. Q5.Which one of the following lanthanides exhibits +2 oxidation state with diamagnetic nature? (Given Z for Nd = 60, Yb = 70, La = 57, Ce = 58)
    Chemistry · D and F Block Elements · MCQ
  6. Q6.The major product formed in the following reaction is : Includes diagram
    Chemistry · Alcohols Phenols and Ethers · MCQ
  7. Q7.Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : Treatment of bromine water with propene yields 1-bromopropan-2-ol. Reason (R) : Attack of water on bromonium ion…
    Chemistry · Alcohols Phenols and Ethers · MCQ
  8. Q8.The denticity of an organic ligand, biuret is :
    Chemistry · Coordination Compounds · MCQ
  9. Q9.Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : Metallic character decreases and non-metallic character increases on moving from left to right in a period. Reason…
    Chemistry · Periodic Table and Periodicity · MCQ
  10. Q10.Choose the correct name for compound given below : Includes diagram
    Chemistry · Basics of Organic Chemistry · MCQ
  11. Q11.Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R) : Assertion (A) : A simple distillation can be used to separate a mixture of propanol and propanone. Reason (R) : Two liquids with a…
    Chemistry · Basics of Organic Chemistry · MCQ
  12. Q12.Which one of the following 0.10 M aqueous solutions will exhibit the largest freezing point depression?
    Chemistry · Solutions · MCQ
  13. Q13.The structure of product C, formed by the following sequence of reactions is : Includes diagram
    Chemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
  14. Q14.Consider the following cell reaction : Cd(s)​+Hg2​SO4(s)​+59​H2​O(l)​⇌ CdSO4​.59​H2​O(s)​+2Hg(l)​ The value of Ecell0​ is 4.315 V at 25 ∘ C. If Δ H…
    Chemistry · Electrochemistry · Numerical
  15. Q15.The molarity of the solution prepared by dissolving 6.3 g of oxalic acid (H2​C2​O4​.2H2​O) in 250 mL of water in mol L − 1 is x × 10 − 2. The value of x is ​. (Nearest integer) [Atomic mass : H : 1.0,…
    Chemistry · Some Basic Concepts of Chemistry · Numerical
  16. Q16.The total number of reagents from those given blow, that can convert nitrobenzene into aniline is ​. (Integer answer) I. Sn − HCl II. Sn − NH4​OH III. Fe − HCl IV. Zn − HCl V. H2​ − Pd…
    Chemistry · Compounds Containing Nitrogen · Numerical
  17. Q17.For a first order reaction, the ratio of the time for 75% completion of a reaction to the time for 50% completion is ​. (Integer answer)
    Chemistry · Chemical Kinetics and Nuclear Chemistry · Numerical
  18. Q18.The number of hydrogen bonded water molecule(s) associated with stoichiometry CuSO4​.5H2​O is ​.
    Chemistry · Chemical Bonding and Molecular Structure · Numerical
  19. Q19.According to the following figure, the magnitude of the enthalpy change of the reaction A + B → M + N in kJ mol − is equal to ​. (Integer answer) Includes diagram
    Chemistry · Chemical Kinetics and Nuclear Chemistry · Numerical
  20. Q20.Ge(Z = 32) in its ground state electronic configuration has x completely filled orbitals with ml = 0. The value of x is ​.
    Chemistry · Structure of Atom · Numerical
  21. Q21.A3​B2​ is a sparingly soluble salt of molar mass M (g mol − 1) and solubility x g L − 1. The solubility product satisfies Ksp​=a(Mx​)5. The value of a is ​. (Integer answer)
    Chemistry · Ionic Equilibrium · Numerical