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Chemistry · 2022 · 24 Jun · Shift 1

21 questions from this JEE Main paper
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Chemistry · 2022 · 24 Jun · Shift 1

21 questions from this JEE Main paper

Some Basic Concepts of Chemistry2 questionsStructure of Atom1 questionsCoordination Compounds2 questionsChemical Equilibrium2 questionsPeriodic Table and Periodicity1 questionsP Block Elements1 questionsHaloalkanes and Haloarenes1 questionsAldehydes Ketones and Carboxylic Acids1 questionsBasics of Organic Chemistry2 questionsCompounds Containing Nitrogen1 questionsBiomolecules1 questionsSalt Analysis1 questionsSolutions1 questionsElectrochemistry1 questionsChemical Kinetics and Nuclear Chemistry1 questionsD and F Block Elements1 questionsHydrocarbons1 questions
  1. Q1.If a rocket runs on a fuel (C15​H30​) and liquid oxygen, the weight of oxygen required and CO2​ released for every litre of fuel respectively are : (Given : density of the fuel is 0.756 g/mL)
    Chemistry · Some Basic Concepts of Chemistry · MCQ
  2. Q2.Consider the following pairs of electrons (A) (a) n = 3, l= 1, m1 = 1, ms = +21​(b) n = 3, 1 = 2, m1 = 1, ms = +21​(B) (a) n = 3, l= 2, m1 =− 2, ms = −21​(b) n = 3, l= 2, m1 =− 1, ms = $-{1 \over…
    Chemistry · Structure of Atom · MCQ
  3. Q3.Match List - I with List - II : Choose the most appropriate answer from the options given below : Includes table
    Chemistry · Coordination Compounds · MCQ
  4. Q4.For a reaction at equilibrium A(g) ⇌ B(g) +21​ C(g) the relation between dissociation constant (K), degree of dissociation (α) and equilibrium pressure (p) is given by :
    Chemistry · Chemical Equilibrium · MCQ
  5. Q5.Given below are the oxides: Na2​O, As2​O3​, N2​O, NO and Cl2​O7​ Number of amphoteric oxides is :
    Chemistry · Periodic Table and Periodicity · MCQ
  6. Q6.The most stable trihalide of nitrogen is :
    Chemistry · P Block Elements · MCQ
  7. Q7.In the given reaction sequence, the major product 'C' is : Includes diagram
    Chemistry · Haloalkanes and Haloarenes · MCQ
  8. Q8.Two statements are given below : Statement I : The melting point of monocarboxylic acid with even number of carbon atoms is higher than that of with odd number of carbon atoms acid immediately below and above it in the series. Statement II…
    Chemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
  9. Q9.Which of the following is an example of conjugated diketone?
    Chemistry · Basics of Organic Chemistry · MCQ
  10. Q10.The major product of the above reactions is : Includes diagram
    Chemistry · Compounds Containing Nitrogen · MCQ
  11. Q11.A polysaccharide 'X' on boiling with dil H2​SO4​ at 393 K under 2-3 atm pressure yields 'Y'. 'Y' on treatment with bromine water gives gluconic acid. 'X' contains β-glycosidic linkages only. Compound 'X' is :
    Chemistry · Biomolecules · MCQ
  12. Q12.During the qualitative analysis of salt with cation y2+, addition of a reagent (X) to alkaline solution of the salt gives a bright red precipitate. The reagent (X) and the cation (y2+) present respectively are :
    Chemistry · Salt Analysis · MCQ
  13. Q13.2O3​(g) ⇌ 3O2​(g) At 300 K, ozone is fifty percent dissociated. The standard free energy change at this temperature and 1 atm pressure is (−) ​ J mol − 1. (Nearest integer) [Given : ln…
    Chemistry · Chemical Equilibrium · Numerical
  14. Q14.The osmotic pressure of blood is 7.47 bar at 300 K. To inject glucose to a patient intravenously, it has to be isotonic with blood. The concentration of glucose solution in gL − 1 is ​. (Molar mass of glucose =…
    Chemistry · Solutions · Numerical
  15. Q15.The cell potential for the following cell Pt |H2​(g)|H+ (aq)|| Cu2+ (0.01 M)|Cu(s) is 0.576 V at 298 K. The pH of the solution is ​. (Nearest integer) (Given : ECu2+/Cuo​=0.34 V and F2.303RT​=0.06…
    Chemistry · Electrochemistry · Numerical
  16. Q16.The rate constants for decomposition of acetaldehyde have been measured over the temperature range 700 - 1000 K. The data has been analysed by plotting ln k vs T103​ graph. The value of activation energy for the reaction… Includes diagram
    Chemistry · Chemical Kinetics and Nuclear Chemistry · Numerical
  17. Q17.The difference in oxidation state of chromium in chromate and dichromate salts is ​.
    Chemistry · D and F Block Elements · Numerical
  18. Q18.In the cobalt-carbonyl complex : [Co2​(CO)8​], number of Co-Co bonds is "X" and terminal CO ligands is "Y". X + Y = ​.
    Chemistry · Coordination Compounds · Numerical
  19. Q19.A 0.166 g sample of an organic compound was digested with conc. H2​SO4​ and then distilled with NaOH. The ammonia gas evolved was passed through 50.0 mL of 0.5 N H2​SO4​. The used acid required 30.0 mL of 0.25 N NaOH for complete…
    Chemistry · Some Basic Concepts of Chemistry · Numerical
  20. Q20.Number of electrophilic centres in the given compound is ​. Includes diagram
    Chemistry · Basics of Organic Chemistry · Numerical
  21. Q21.The major product 'A' of the following given reaction has ​ sp2 hybridized carbon atoms. Includes diagram
    Chemistry · Hydrocarbons · Numerical