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Chemistry · 2022 · 26 Jul · Shift 2

19 questions from this JEE Main paper
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Chemistry · 2022 · 26 Jul · Shift 2

19 questions from this JEE Main paper

Some Basic Concepts of Chemistry2 questionsChemical Bonding and Molecular Structure1 questionsIonic Equilibrium1 questionsChemical Kinetics and Nuclear Chemistry1 questionsCoordination Compounds1 questionsBasics of Organic Chemistry3 questionsAlcohols Phenols and Ethers1 questionsAldehydes Ketones and Carboxylic Acids1 questionsCompounds Containing Nitrogen1 questionsBiomolecules1 questionsRedox Reactions2 questionsStructure of Atom1 questionsThermodynamics1 questionsSolutions1 questionsD and F Block Elements1 questions
  1. Q1.Hemoglobin contains 0.34% of iron by mass. The number of Fe atoms in 3.3 g of hemoglobin is (Given: Atomic mass of Fe is 56u,NA​=6.022×1023 mol−1.)
    Chemistry · Some Basic Concepts of Chemistry · MCQ
  2. Q2.Arrange the following in increasing order of their covalent character. A. CaF2​ B. CaCl2​ C. CaBr2​ D. CaI2​ Choose the correct answer from the options given below.
    Chemistry · Chemical Bonding and Molecular Structure · MCQ
  3. Q3.Class XII students were asked to prepare one litre of buffer solution of pH8.26 by their Chemistry teacher: The amount of ammonium chloride to be dissolved by the student in 0.2M ammonia solution to make one…
    Chemistry · Ionic Equilibrium · MCQ
  4. Q4.At 30∘C, the half life for the decomposition of AB2​ is 200 s and is independent of the initial concentration of AB2​. The time required for 80% of the AB2​ to…
    Chemistry · Chemical Kinetics and Nuclear Chemistry · MCQ
  5. Q5.The metal complex that is diamagnetic is (Atomic number: Fe,26;Cu,29)
    Chemistry · Coordination Compounds · MCQ
  6. Q6.The correct decreasing order of priority of functional groups in naming an organic Question: compound as per IUPAC system of nomenclature is
    Chemistry · Basics of Organic Chemistry · MCQ
  7. Q7.Which of the following is not an example of benzenoid compound?
    Chemistry · Basics of Organic Chemistry · Multiple correct
  8. Q8.Hydrolysis of which compound will give carbolic acid?
    Chemistry · Alcohols Phenols and Ethers · MCQ
  9. Q9.Consider the above reaction and predict the major product. Includes diagram
    Chemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
  10. Q10.The correct sequential order of the reagents for the given reaction is Includes diagram
    Chemistry · Compounds Containing Nitrogen · MCQ
  11. Q11.Animal starch is the other name of
    Chemistry · Biomolecules · MCQ
  12. Q12.Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R. Assertion A: Phenolphthalein is a pH dependent indicator, remains colourless in acidic solution and…
    Chemistry · Redox Reactions · MCQ
  13. Q13.Consider an imaginary ion 2248​X3−. The nucleus contains 'a'% more neutrons than the number of electrons in the ion. The value of 'a' is ​. [nearest integer]
    Chemistry · Structure of Atom · Numerical
  14. Q14.For the reaction H2​F2​( g)→H2​( g)+F2​( g)ΔU=−59.6 kJ mol−1 at 27∘C. The enthalpy change for the…
    Chemistry · Thermodynamics · Numerical
  15. Q15.The elevation in boiling point for 1 molal solution of non-volatile solute A is 3 K. The depression in freezing point for 2 molal solution of A in the same solvent is 6 K. The ratio of Kb​ and Kf​ i.e., Kb​/Kf​…
    Chemistry · Solutions · Numerical
  16. Q16.20 mL of 0.02M hypo solution is used for the titration of 10 mL of copper sulphate solution, in the presence of excess of KI using starch as an indicator. The molarity of Cu2+ is found to…
    Chemistry · Redox Reactions · Numerical
  17. Q17.The spin-only magnetic moment value of the compound with strongest oxidizing ability among MnF4​,MnF3​ and MnF2​ is ​ B.M. [nearest integer]
    Chemistry · D and F Block Elements · Numerical
  18. Q18.Total number of isomers (including stereoisomers) obtained on monochlorination of methylcyclohexane is ​.
    Chemistry · Basics of Organic Chemistry · Numerical
  19. Q19.A 100 mL solution of CH3​CH2​MgBr on treatment with methanol produces 2.24 mL of a gas at STP. The weight of gas produced is ​ mg. [nearest integer]
    Chemistry · Some Basic Concepts of Chemistry · Numerical