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Chemistry · 2019 · 11 Jan · Shift 1

19 questions from this JEE Main paper
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Chemistry · 2019 · 11 Jan · Shift 1

19 questions from this JEE Main paper

Thermodynamics2 questionsChemical Equilibrium1 questionsSome Basic Concepts of Chemistry2 questionsPeriodic Table and Periodicity1 questionsElectrochemistry1 questionsD and F Block Elements1 questionsStructure of Atom1 questionsCoordination Compounds1 questionsChemical Kinetics and Nuclear Chemistry1 questionsAlcohols Phenols and Ethers2 questionsAldehydes Ketones and Carboxylic Acids1 questionsHydrocarbons1 questionsBiomolecules1 questionsCompounds Containing Nitrogen1 questionsSolutions1 questionsBasics of Organic Chemistry1 questions
  1. Q1.For the chemical reaction X ⇌ Y, the standard reaction Gibbs energy depends on temperature T (in K) as Δ rGo (in kJ mol–1) = 120 −83​ T. The major component of the reaction mixture at T is :
    Chemistry · Thermodynamics · MCQ
  2. Q2.Consider the reaction N2​(g) + 3H2​(g) ⇌ 2NH3​(g) The equilibrium constant of the above reaction is Kp. If pure ammonia is left to dissociate, the partial pressure of ammonia at equilibrium is given by (Assume…
    Chemistry · Chemical Equilibrium · MCQ
  3. Q3.A 10 mg effervescent tablet containing sodium bicarbonate and oxalic acid releases 0.25 ml of CO2​ at T = 298.15 K and p = 1 bar. If molar volume of CO2​ is 25.0 L under such condition, what is the percentage of sodium bicarbonate in…
    Chemistry · Some Basic Concepts of Chemistry · MCQ
  4. Q4.The correct order of the atomic radii of C, Cs, Al, and S is :
    Chemistry · Periodic Table and Periodicity · MCQ
  5. Q5.For the cell Zn(s) |Zn2+ (aq)| |Mx+ (aq)| M(s), different half cells and their standard electrode potentials are given below : If Ezn2+/zn0​=− 0.76 V, which cathode will give maximum value of Eocell per electron transferred? Includes table
    Chemistry · Electrochemistry · MCQ
  6. Q6.The element that usually does NOT show variable oxidation states is :
    Chemistry · D and F Block Elements · MCQ
  7. Q7.Heat treatment of muscular pain involves radiation of wavelength of about 900 nm. Which spectral line of H atom is suitable for this purpose? [RH = 1 × 105 cm–1, h = 6.6 × 10–34 Js, c = 3 × 108 ms–1]
    Chemistry · Structure of Atom · MCQ
  8. Q8.Match the metals (column I) with the coordination compound(s)/enzyme(s) (column II) Includes table
    Chemistry · Coordination Compounds · MCQ
  9. Q9.If a reaction follows the Arrhenius equation, the plot ln k vs (RT)1​ gives straight line with a gradient (− y) unit. The energy required to active the reactant is :
    Chemistry · Chemical Kinetics and Nuclear Chemistry · MCQ
  10. Q10.The major product of the following reaction is : Includes diagram
    Chemistry · Alcohols Phenols and Ethers · MCQ
  11. Q11.The major product of the following reaction is : Includes diagram
    Chemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
  12. Q12.The major product of the following reaction is Includes diagram
    Chemistry · Alcohols Phenols and Ethers · MCQ
  13. Q13.Which compound (s) out of the following is/are not aromatic ? Includes diagram
    Chemistry · Hydrocarbons · MCQ
  14. Q14.Among the following compounds, which one is found in RNA ?
    Chemistry · Biomolecules · MCQ
  15. Q15.The major product of the following reaction is : Includes diagram
    Chemistry · Compounds Containing Nitrogen · MCQ
  16. Q16.Two blocks of the same metal having same mass and at temperature T1 and T2, respectively, are brought in contact with each other and allowed to attain thermal equilibrium at constant pressure. The change in entropy, Δ S, for this…
    Chemistry · Thermodynamics · MCQ
  17. Q17.The freezing point of a diluted milk sample is found to be –0.2oC, while it should have been –0.5oC for pure milk. How much water has been added to pure milk to make the diluted sample?
    Chemistry · Solutions · MCQ
  18. Q18.The correct match between items I and II is : Includes table
    Chemistry · Basics of Organic Chemistry · MCQ
  19. Q19.An organic compound is estimated through Duma's method and was found to evolve 6 moles of CO2​. 4 moles of H2​O and 1 mole of nitrogen gas. The formula of the compound is :
    Chemistry · Some Basic Concepts of Chemistry · MCQ