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Chemistry · 2020 · Shift 2

18 questions from this JEE Advanced paper
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Chemistry · 2020 · Shift 2

18 questions from this JEE Advanced paper

Periodic Table and Periodicity1 questionsChemical Bonding and Molecular Structure1 questionsSome Basic Concepts of Chemistry1 questionsD and F Block Elements1 questionsBiomolecules1 questionsAlcohols Phenols and Ethers1 questionsCoordination Compounds1 questionsChemical Kinetics and Nuclear Chemistry1 questionsIsolation of Elements1 questionsRedox Reactions1 questionsBasics of Organic Chemistry1 questionsHydrocarbons1 questionsIonic Equilibrium2 questionsSolutions1 questionsStructure of Atom1 questionsCompounds Containing Nitrogen1 questionsThermodynamics1 questions
  1. Q1.The 1st, 2nd and 3rd ionisation enthalpies, I1, I2 and I3, of four atoms with atomic numbers n, n + 1, n + 2, and n + 3, where n < 10, are tabulated below. What is the value of n? Includes diagram
    Chemistry · Periodic Table and Periodicity · Numerical
  2. Q2.Consider the following compounds in the liquid form : O2​, HF, H2​O, NH3​, H2​O2​, CCl4​, CHCl3​, C6​H6​, C6​H5​Cl When a charged comb is brought near their flowing stream, how many of them show deflection as per the… Includes diagram
    Chemistry · Chemical Bonding and Molecular Structure · Numerical
  3. Q3.In the chemical reaction between stoichiometric quantities of KMnO4​ and KI in weakly basic solution, what is the number of moles of I2​ released for 4 moles of KMnO4​ consumed?
    Chemistry · Some Basic Concepts of Chemistry · Numerical
  4. Q4.An acidified solution of potassium chromate was layered with an equal volume of amyl alcohol. When it was shaken after the addition of 1 mL of 3% H2​O2​, a blue alcohol layer was obtained. The blue colour is due to the formation of a…
    Chemistry · D and F Block Elements · Numerical
  5. Q5.The structure of a peptide is given below. If the absolute values of the net charge of the peptide at pH=2, pH=6, and pH=11 are ∣Z1​∣,∣Z2​∣, and ∣Z3​∣, respectively,… Includes diagram
    Chemistry · Biomolecules · Numerical
  6. Q6.An organic compound (C8​H{}_{10}O2)rotatesplane−porarisedlight.ItproducespinkcolorwithneutralFeCl_3$ solution. What is the total number of all the possible isomers for this compound?
    Chemistry · Alcohols Phenols and Ethers · Numerical
  7. Q7.In an experiment, m grams of a compound X (gas/liquid/solid) taken in a container is loaded in a balance as shown in figure I below. In the presence of a magnetic field, the pan with X is either deflected upwards (figure II), or deflected… Includes diagram
    Chemistry · Coordination Compounds · Multiple correct
  8. Q8.Which of the following plots is(are) correct for the given reaction? ([P]0 is the initial concentration of P) Includes diagram
    Chemistry · Chemical Kinetics and Nuclear Chemistry · Multiple correct
  9. Q9.Which among the following statement(s) is/are true for the extraction of aluminium from bauxite?
    Chemistry · Isolation of Elements · Multiple correct
  10. Q10.Choose the correct statement(s) among the following :
    Chemistry · Redox Reactions · Multiple correct
  11. Q11.Consider the following four compounds, I, II, III, and IV. Choose the correct statement(s) Includes diagram
    Chemistry · Basics of Organic Chemistry · Multiple correct
  12. Q12.Consider the following transformations of a compound P. Choose the correct option(s). Includes diagram
    Chemistry · Hydrocarbons · Multiple correct
  13. Q13.A solution of 0.1 M weak base (B) is titrated with 0.1 M of a strong acid (HA). The variation of pH of the solution with the volume of HA added is shown in the figure below. What is the pKb of the base? The neutralisation reaction is given… Includes diagram
    Chemistry · Ionic Equilibrium · Numerical
  14. Q14.Liquids A and B form ideal solution for all compositions of A and B at 25 ∘ C. Two such solutions with 0.25 and 0.50 mole fractions of A have the total vapour pressure of 0.3 and 0.4 bar, respectively. What is the vapour pressure…
    Chemistry · Solutions · Numerical
  15. Q15.The figure below is the plot of potential energy versus internuclear distance (d) of H2​ molecule in the electronic ground state. What is the value of the net potential energy E0 (as indicated in the figure) in kJ mol-1, for d = d0 at… Includes diagram
    Chemistry · Structure of Atom · Numerical
  16. Q16.Consider the reaction sequence from P to Q shown below. The overall yield of the major product Q from P is 75%. What is the amount in grams of Q obtained from 9.3 mL of P? (Use density of P = 1.00 g mL-1; Molar mass of C = 12.0, H = 1.0, O… Includes diagram
    Chemistry · Compounds Containing Nitrogen · Numerical
  17. Q17.Tin is obtained from cassiterite by reduction with coke. Use the data given below to determine the minimum temperature (in K) at which the reduction of cassiterite by coke would take place. At 298K:Δf​H∘[SnO2​(s)]=−581.0…
    Chemistry · Thermodynamics · Numerical
  18. Q18.An acidified solution of 0.05 M Zn2+ is saturated with 0.1 M H2​S. What is the minimum molar concentration (M) of H+ required to prevent the precipitation of ZnS? Use Ksp(ZnS) = 1.25 × 10 − 22 and overall…
    Chemistry · Ionic Equilibrium · Numerical