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Chemistry · 2020 · 4 Sep · Shift 1

21 questions from this JEE Main paper
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Chemistry · 2020 · 4 Sep · Shift 1

21 questions from this JEE Main paper

Haloalkanes and Haloarenes1 questionsThermodynamics1 questionsD and F Block Elements1 questionsBiomolecules2 questionsAldehydes Ketones and Carboxylic Acids2 questionsSome Basic Concepts of Chemistry2 questionsSolutions1 questionsChemical Kinetics and Nuclear Chemistry1 questionsCompounds Containing Nitrogen1 questionsElectrochemistry1 questionsChemical Bonding and Molecular Structure1 questionsCoordination Compounds2 questionsAlcohols Phenols and Ethers1 questionsPeriodic Table and Periodicity1 questionsStructure of Atom1 questionsChemical Equilibrium1 questionsBasics of Organic Chemistry1 questions
  1. Q1.The decreasing order of reactivity of the following organic molecules towards AgNO3​ solution is : Includes diagram
    Chemistry · Haloalkanes and Haloarenes · MCQ
  2. Q2.For one mole of an ideal gas, which of these statements must be true? (a) U and H each depends only on temperature (b) Compressibility factor z is not equal to 1 (c) CP, m – CV, m = R (d) dU = CVdT for any process
    Chemistry · Thermodynamics · MCQ
  3. Q3.The elements with atomic numbers 101 and 104 belong to, respectively :
    Chemistry · D and F Block Elements · MCQ
  4. Q4.Which of the following will react with CHCl3​ + alc. KOH?
    Chemistry · Biomolecules · MCQ
  5. Q5.[P] on treatment with Br2​/FeBr3​ in CCl4​ produced a single isomer C8​H7​O2​Br while heating [P] with sodalime gave toluene. The compound [P] is
    Chemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
  6. Q6.A 20.0 mL solution containing 0.2 g impure H2​O2​ reacts completely with 0.316 g of KMnO4​ in acid solution. The purity of H2​O2​ (in %) is ​ (mol. wt. of H2​O2​ = 34; mol. wt. of KMnO4​ = 158)
    Chemistry · Some Basic Concepts of Chemistry · Numerical
  7. Q7.The mass of ammonia in grams produced when 2.8 kg of dinitrogen quantitatively reacts with 1 kg of dihydrogen is ​.
    Chemistry · Some Basic Concepts of Chemistry · Numerical
  8. Q8.At 300 K, the vapour pressure of a solution containing 1 mole of n-hexane and 3 moles of n-heptane is 550 mm of Hg. At the same temperature, if one more mole of n-heptane is added to this solution, the vapour pressure of the solution…
    Chemistry · Solutions · Numerical
  9. Q9.If 75% of a first order reaction was completed in 90 minutes, 60% of the same reaction would be completed in approximately (in minutes) ​. (Take : log 2 = 0.30; log 2.5 = 0.40)
    Chemistry · Chemical Kinetics and Nuclear Chemistry · Numerical
  10. Q10.The number of chiral centres present in [B] is ​. Includes diagram
    Chemistry · Compounds Containing Nitrogen · Numerical
  11. Q11.ECu2+∣Cu0​= +0.34 V EZn2+∣Zn0​ = -0.76 V Identify the incorrect statement from the option below for the above cell : Includes diagram
    Chemistry · Electrochemistry · MCQ
  12. Q12.The intermolecular potential energy for the molecules A, B, C and D given below suggests that : Includes diagram
    Chemistry · Chemical Bonding and Molecular Structure · MCQ
  13. Q13.The pair in which both the species have the same magnetic moment (spin only) is :
    Chemistry · Coordination Compounds · MCQ
  14. Q14.An organic compound (A) (molecular formula C6​H12​O2​) was hydrolysed with dil. H2​SO4​ to give a carboxylic acid (B) and an alcohol (C). ‘C’ gives white turbidity immediately when treated with anhydrous ZnCl2​ and conc. HCl. The…
    Chemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
  15. Q15.The number of isomers possible for [Pt(en)(NO2​)2​] is :
    Chemistry · Coordination Compounds · MCQ
  16. Q16.When neopentyl alcohol is heated with an acid, it slowly converted into an 85 : 15 mixture of alkenes A and B, respectively. What are these alkenes?
    Chemistry · Alcohols Phenols and Ethers · MCQ
  17. Q17.The ionic radii of O2−, F−, Na+ and Mg2+ are in the order :
    Chemistry · Periodic Table and Periodicity · MCQ
  18. Q18.The region in the electromagnetic spectrum where the Balmar series lines appear is :
    Chemistry · Structure of Atom · MCQ
  19. Q19.For the equilibrium A ⇌ B , the variation of the rate of the forward (a) and reverse (b) reaction with time is given by :
    Chemistry · Chemical Equilibrium · MCQ
  20. Q20.The IUPAC name of the following compound is : Includes diagram
    Chemistry · Basics of Organic Chemistry · MCQ
  21. Q21.What are the functional groups present in the structure of maltose?
    Chemistry · Biomolecules · MCQ