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Chemistry · 2021 · 27 Aug · Shift 2

22 questions from this JEE Main paper
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Chemistry · 2021 · 27 Aug · Shift 2

22 questions from this JEE Main paper

D and F Block Elements2 questionsAldehydes Ketones and Carboxylic Acids2 questionsBasics of Organic Chemistry1 questionsPeriodic Table and Periodicity1 questionsCompounds Containing Nitrogen2 questionsHaloalkanes and Haloarenes1 questionsAlcohols Phenols and Ethers1 questionsPractical Organic Chemistry1 questionsBiomolecules1 questionsChemical Kinetics and Nuclear Chemistry1 questionsCoordination Compounds1 questionsThermodynamics2 questionsSome Basic Concepts of Chemistry1 questionsSolutions1 questionsElectrochemistry1 questionsStructure of Atom1 questionsChemical Equilibrium1 questionsChemical Bonding and Molecular Structure1 questions
  1. Q1.The addition of dilute NaOH to Cr3+ salt solution will give :
    Chemistry · D and F Block Elements · MCQ
  2. Q2.Given below are two statements : Statement I : Ethyl pent-4-yn-oate on reaction with CH3​MgBr gives a 3 ∘-alcohol. Statement II : In this reaction one mole of ethyl pent-4-yn-oate utilizes two moles of CH3​MgBr. In the light of…
    Chemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
  3. Q3.The compound/s which will show significant intermolecular H-bonding is/are : Includes diagram
    Chemistry · Basics of Organic Chemistry · MCQ
  4. Q4.Which one of the following reactions will not yield propionic acid?
    Chemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
  5. Q5.The correct order of ionic radii for the ions, P3−, S2−, Ca2+, K+, Cl − is :
    Chemistry · Periodic Table and Periodicity · MCQ
  6. Q6.Which one of the following is the major product of the given reaction? Includes diagram
    Chemistry · Compounds Containing Nitrogen · MCQ
  7. Q7.The major product (A) formed in the reaction given below is : Includes diagram
    Chemistry · Haloalkanes and Haloarenes · MCQ
  8. Q8.The major product of the following reaction, if it occurs by SN2​ mechanism is : Includes diagram
    Chemistry · Alcohols Phenols and Ethers · MCQ
  9. Q9.Potassium permanganate on heating at 513 K gives a product which is :
    Chemistry · D and F Block Elements · MCQ
  10. Q10.Which one of the following tests used for the identification of functional groups in organic compounds does not use copper reagent?
    Chemistry · Practical Organic Chemistry · MCQ
  11. Q11.Hydrolysis of sucrose gives :
    Chemistry · Biomolecules · MCQ
  12. Q12.The correct structures of A and B formed in the following reactions are : Includes diagram
    Chemistry · Compounds Containing Nitrogen · MCQ
  13. Q13.The first order rate constant for the decomposition of CaCO3​ at 700 K is 6.36 × 10 − 3s − 1 and activation energy is 209 kJ mol − 1. Its rate constant (in s − 1) at 600 K is x × 10 − 6. The value of x is ​…
    Chemistry · Chemical Kinetics and Nuclear Chemistry · Numerical
  14. Q14.The number of optical isomers possible for [Cr(C2​O4​)3​]3− is ​.
    Chemistry · Coordination Compounds · Numerical
  15. Q15.Two flasks I and II shown below are connected by a valve of negligible volume. When the valve is opened, the final pressure of the system in bar is x × 10 − 2. The value of x is ​. (Integer answer) [Assume… Includes diagram
    Chemistry · Thermodynamics · Numerical
  16. Q16.100 g of propane is completely reacted with 1000 g of oxygen. The mole fraction of carbon dioxide in the resulting mixture is x × 10 − 2. The value of x is ​. (Nearest integer) [Atomic weight : H = 1.008;…
    Chemistry · Some Basic Concepts of Chemistry · Numerical
  17. Q17.40 g of glucose (Molar mass = 180) is mixed with 200 mL of water. The freezing point of solution is ​ K. (Nearest integer) [Given : Kf = 1.86 K kg mol − 1; Density of water = 1.00 g cm − 3; Freezing point of…
    Chemistry · Solutions · Numerical
  18. Q18.The resistance of a conductivity cell with cell constant 1.14 cm − 1, containing 0.001 M KCl at 298 K is 1500 Ω. The molar conductivity of 0.001 M KCl solution at 298 K in S cm2 mol − 1 is ​. (Integer…
    Chemistry · Electrochemistry · Numerical
  19. Q19.The number of photons emitted by a monochromatic (single frequency) infrared range finder of power 1 mW and wavelength of 1000 nm, in 0.1 second is x × 1013. The value of x is ​. (Nearest integer) (h = 6.63 ×…
    Chemistry · Structure of Atom · Numerical
  20. Q20.When 5.1 g of solid NH4​HS is introduced into a two litre evacuated flask at 27 ∘ C, 20% of the solid decomposes into gaseous ammonia and hydrogen sulphide. The Kp for the reaction at 27 ∘ C is x × 10 − 2. The…
    Chemistry · Chemical Equilibrium · Numerical
  21. Q21.The number of species having non-pyramidal shape among the following is ​. (A) SO3​ (B) NO 3−​ (C) PCl3​ (D) CO 32−​
    Chemistry · Chemical Bonding and Molecular Structure · Numerical
  22. Q22.Data given for the following reaction is as follows : FeO(s) + C(graphite) → Fe(s) + CO(g) The minimum temperature in K at which the reaction becomes spontaneous is ​. (Integer answer) Includes table
    Chemistry · Thermodynamics · Numerical