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Chemistry · 2020 · 5 Sep · Shift 1

19 questions from this JEE Main paper
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Chemistry · 2020 · 5 Sep · Shift 1

19 questions from this JEE Main paper

Aldehydes Ketones and Carboxylic Acids3 questionsChemical Kinetics and Nuclear Chemistry1 questionsCompounds Containing Nitrogen2 questionsStructure of Atom1 questionsChemical Bonding and Molecular Structure2 questionsD and F Block Elements2 questionsBiomolecules2 questionsChemical Equilibrium1 questionsCoordination Compounds2 questionsIonic Equilibrium1 questionsElectrochemistry1 questionsHydrocarbons1 questions
  1. Q1.The increasing order of the acidity of the α-hydrogen of the following compounds is : Includes diagram
    Chemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
  2. Q2.A flask contains a mixture of compounds A and B. Both compounds decompose by first-order kinetics. The half-lives for A and B are 300 s and 180 s, respectively. If the concentrations of A and B are equal initially, the time required for…
    Chemistry · Chemical Kinetics and Nuclear Chemistry · MCQ
  3. Q3.The increasing order of basicity of the following compounds is : Includes diagram
    Chemistry · Compounds Containing Nitrogen · MCQ
  4. Q4.The difference between the radii of 3rd and 4th orbits of Li2+ is R1 . The difference between the radii of 3rd and 4th orbits of He+ is Δ R2 . Ratio Δ R1 : Δ R2 is :
    Chemistry · Structure of Atom · MCQ
  5. Q5.The structure of PCl5​ in the solid state is :
    Chemistry · Chemical Bonding and Molecular Structure · MCQ
  6. Q6.The most appropriate reagent for conversion of C2​H5​CN into CH3​CH2​CH2​NH2​ is
    Chemistry · Compounds Containing Nitrogen · MCQ
  7. Q7.Which of the following derivatives of alcohols is unstable in an aqueous base?
    Chemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
  8. Q8.The correct electronic configuration and spin-only magnetic moment (BM) of Gd3+ (Z = 64), respectively, are :
    Chemistry · D and F Block Elements · MCQ
  9. Q9.In the following reaction sequence the major products A and B are : Includes diagram
    Chemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
  10. Q10.Which of the following is not an essential amino acid :
    Chemistry · Biomolecules · MCQ
  11. Q11.Consider the following reaction: N2​O4​(g) ⇌ 2NO2​(g); Δ Ho = +58 kJ For each of the following cases (a, b), the direction in which the equilibrium shifts is : (a) Temperature is decreased. (b) Pressure is increased by adding N2​…
    Chemistry · Chemical Equilibrium · MCQ
  12. Q12.The values of the crystal field stabilization energies for a high spin d6 metal ion in octahedral and tetrahedral fields, respectively, are :
    Chemistry · Coordination Compounds · MCQ
  13. Q13.The total number of coordination sites in ethylenediaminetetraacetate (EDTA4−) is ​.
    Chemistry · Coordination Compounds · Numerical
  14. Q14.A soft drink was bottled with a partial pressure of CO2​ of 3 bar over the liquid at room temperature. The partial pressure of CO2​ over the solution approaches a value of 30 bar when 44 g of CO2​ is dissolved in 1 kg of water at…
    Chemistry · Ionic Equilibrium · Numerical
  15. Q15.An oxidation-reduction reaction in which 3 electrons are transferred has a Δ Gº of 17.37 kJ mol–1 at 25 oC. The value of Eo cell (in V) is ​ × 10–2. (1 F = 96,500 C mol–1)
    Chemistry · Electrochemistry · Numerical
  16. Q16.The number of chiral carbon(s) present in peptide, Ile-Arg-Pro, is ​.
    Chemistry · Biomolecules · Numerical
  17. Q17.The minimum number of moles of O2​ required for complete combustion of 1 mole of propane and 2 moles of butane is ​.
    Chemistry · Hydrocarbons · Numerical
  18. Q18.The potential energy curve for the H2​ molecule as a function of internuclear distance is :
    Chemistry · Chemical Bonding and Molecular Structure · MCQ
  19. Q19.In the sixth period, the orbitals that are filled are :
    Chemistry · D and F Block Elements · MCQ