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Chemistry · 2020 · 8 Jan · Shift 1

20 questions from this JEE Main paper
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Chemistry · 2020 · 8 Jan · Shift 1

20 questions from this JEE Main paper

Periodic Table and Periodicity2 questionsSolutions1 questionsAlcohols Phenols and Ethers2 questionsCoordination Compounds1 questionsCompounds Containing Nitrogen1 questionsStructure of Atom1 questionsThermodynamics1 questionsSome Basic Concepts of Chemistry2 questionsElectrochemistry1 questionsHaloalkanes and Haloarenes1 questionsBiomolecules1 questionsChemical Kinetics and Nuclear Chemistry1 questionsIonic Equilibrium2 questionsBasics of Organic Chemistry1 questionsAldehydes Ketones and Carboxylic Acids2 questions
  1. Q1.The third ionization enthalpy is minimum for :
    Chemistry · Periodic Table and Periodicity · MCQ
  2. Q2.A graph of vapour pressure and temperature for three different liquids X, Y, and Z is shown below : The following inferences are made : (A) X has higher intermolecular interactions compared to Y. (B) X has lower intermolecular interactions… Includes diagram
    Chemistry · Solutions · MCQ
  3. Q3.Arrange the following compounds in increasing order of C–OH bond length : methanol, phenol, p-ethoxyphenol
    Chemistry · Alcohols Phenols and Ethers · MCQ
  4. Q4.The complex that can show fac- and mer-isomers is :
    Chemistry · Coordination Compounds · MCQ
  5. Q5.The major products A and B in the following reactions are : Includes diagram
    Chemistry · Compounds Containing Nitrogen · MCQ
  6. Q6.For the Balmer series in the spectrum of H atom, u=RH​{n12​1​−n22​1​}, the correct statements among (I) to (IV) are : (I) As wavelength decreases, the lines in the series converge…
    Chemistry · Structure of Atom · MCQ
  7. Q7.The magnitude of work done by a gas that undergoes a reversible expansion along the path ABC shown in the figure is ​. Includes diagram
    Chemistry · Thermodynamics · Numerical
  8. Q8.Ferrous sulphate heptahydrate is used to fortify foods with iron. The amount (in grams) of the salt required to achieve 10 ppm of iron in 100 kg of wheat is ​. Atomic weight : Fe = 55.85; S = 32.00; O = 16.00
    Chemistry · Some Basic Concepts of Chemistry · Numerical
  9. Q9.What would be the electrode potential for the given half cell reaction at pH = 5? ​. 2H2​O → O2​ + 4H ⊕ + 4e– ; Ered0​ = 1.23 V (R = 8.314 J mol–1 K–1 ; Temp = 298 k; oxygen under std. atm.…
    Chemistry · Electrochemistry · Numerical
  10. Q10.The volume (in mL) of 0.125 M AgNO3​ required to quantitatively precipitate chloride ions in 0.3 g of [Co(NH3​)6​]Cl3​ is ​. M[Co(NH3​)6​Cl3​] = 267.46 g/mol MAgNO3​ = 169.87 g/mol
    Chemistry · Some Basic Concepts of Chemistry · Numerical
  11. Q11.The decreasing order of reactivity towards dehydrohalogenation (E1) reaction of the following compounds is : Includes diagram
    Chemistry · Haloalkanes and Haloarenes · MCQ
  12. Q12.The first ionization energy (in kJ/mol) of Na, Mg, Al and Si respectively, are :
    Chemistry · Periodic Table and Periodicity · MCQ
  13. Q13.Which of the following statement is not true for glucose?
    Chemistry · Biomolecules · MCQ
  14. Q14.The rate of a certain biochemical reaction at physiological temperature (T) occurs 106 times faster with enzyme than without. The change in the activation energy upon adding enzyme is :
    Chemistry · Chemical Kinetics and Nuclear Chemistry · MCQ
  15. Q15.The strength of an aqueous NaOH solution is most accurately determined by titrating : (Note : consider that an appropriate indicator is used)
    Chemistry · Ionic Equilibrium · MCQ
  16. Q16.The major product of the following reaction is : Includes diagram
    Chemistry · Alcohols Phenols and Ethers · MCQ
  17. Q17.The stoichiometry and solubility product of a salt with the solubility curve given below is, respectively : Includes diagram
    Chemistry · Ionic Equilibrium · MCQ
  18. Q18.A flask contains a mixture of isohexane and 3-methylpentane. One of the liquids boils at 63oC while the other boils at 60oC What is the best way to separate the two liquids and which one will be distilled out first ?
    Chemistry · Basics of Organic Chemistry · MCQ
  19. Q19.The predominant intermolecular forces present in ethyl acetate, a liquid, are:
    Chemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
  20. Q20.The most suitable reagent for the given conversion is : Includes diagram
    Chemistry · Aldehydes Ketones and Carboxylic Acids · MCQ