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Chemistry · 2023 · 24 Jan · Shift 2

22 questions from this JEE Main paper
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Chemistry · 2023 · 24 Jan · Shift 2

22 questions from this JEE Main paper

Structure of Atom1 questionsHydrocarbons2 questionsChemical Bonding and Molecular Structure1 questionsBasics of Organic Chemistry2 questionsElectrochemistry1 questionsCompounds Containing Nitrogen3 questionsD and F Block Elements1 questionsChemical Kinetics and Nuclear Chemistry1 questionsCoordination Compounds2 questionsP Block Elements2 questionsBiomolecules1 questionsThermodynamics2 questionsSome Basic Concepts of Chemistry1 questionsSolutions1 questionsIonic Equilibrium1 questions
  1. Q1.The number of s-electrons present in an ion with 55 protons in its unipositive state is
    Chemistry · Structure of Atom · MCQ
  2. Q2.Find out the major products from the following reactions. Includes diagram
    Chemistry · Hydrocarbons · MCQ
  3. Q3.What is the number of unpaired electron(s) in the highest occupied molecular orbital of the following species : N2​;N2+​;O2​;O2+​ ?
    Chemistry · Chemical Bonding and Molecular Structure · MCQ
  4. Q4.Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R Assertion A : Benzene is more stable than hypothetical cyclohexatriene Reason R : The delocalised π electron cloud is attracted more…
    Chemistry · Basics of Organic Chemistry · MCQ
  5. Q5.Choose the correct representation of conductometric titration of benzoic acid vs sodium hydroxide.
    Chemistry · Electrochemistry · MCQ
  6. Q6.Given below are two statements : In the light of the above statements, choose the correct answer from the options given below: Includes diagram
    Chemistry · Compounds Containing Nitrogen · MCQ
  7. Q7.Choose the correct colour of the product for the following reaction. Includes diagram
    Chemistry · Compounds Containing Nitrogen · MCQ
  8. Q8.Which one amongst the following are good oxidizing agents? A. Sm 2+ B. Ce 2+ C. Ce 4+ D. Tb 4+ Choose the most appropriate answer from the options given below :
    Chemistry · D and F Block Elements · MCQ
  9. Q9.A student has studied the decomposition of a gas AB 3​ at 25 ∘ C. He obtained the following data. The order of the reaction is Includes table
    Chemistry · Chemical Kinetics and Nuclear Chemistry · MCQ
  10. Q10.The hybridization and magnetic behaviour of cobalt ion in [Co(NH3​)6​]3+ complex, respectively is :
    Chemistry · Coordination Compounds · MCQ
  11. Q11.K2​Cr2​O7​ paper acidified with dilute H2​SO4​ turns green when exposed to :
    Chemistry · P Block Elements · MCQ
  12. Q12.Which will undergo deprotonation most readily in the basic medium? Includes diagram
    Chemistry · Basics of Organic Chemistry · MCQ
  13. Q13.Which of the following cannot be explained by crystal field theory?
    Chemistry · Coordination Compounds · MCQ
  14. Q14.Given below are two statements: Statement I : Pure Aniline and other arylamines are usually colourless. Statement II : Arylamines get coloured on storage due to atmospheric reduction. In the light of the above statements, choose the most…
    Chemistry · Compounds Containing Nitrogen · MCQ
  15. Q15.Total number of tripeptides possible by mixing of valine and proline is ​
    Chemistry · Biomolecules · Numerical
  16. Q16.One mole of an ideal monoatomic gas is subjected to changes as shown in the graph. The magnitude of the work done (by the system or on the system) is ​ J (nearest integer) Given ; log2=0.3ln10=2.3 Includes diagram
    Chemistry · Thermodynamics · Numerical
  17. Q17.Maximum number of isomeric monochloro derivatives which can be obtained from 2,2,5,5-tetramethylhexane by chlorination is ​
    Chemistry · Hydrocarbons · Numerical
  18. Q18.Following figure shows spectrum of an ideal black body at four different temperatures. The number of correct statement/s from the following is ​. A. T4​>T3​>T2​>T1​ B. The black body consists… Includes diagram
    Chemistry · Thermodynamics · Numerical
  19. Q19.Sum of π-bonds present in peroxodisulphuric acid and pyrosulphuric acid is ​
    Chemistry · P Block Elements · Numerical
  20. Q20.The number of units, which are used to express concentration of solutions from the following is ​ Mass percent, Mole, Mole fraction, Molarity, ppm, Molality
    Chemistry · Some Basic Concepts of Chemistry · Numerical
  21. Q21.The total pressure observed by mixing two liquids A and B is 350 mm Hg when their mole fractions are 0.7 and 0.3 respectively. The total pressure becomes 410 mm Hg if the mole fractions are changed to 0.2 and 0.8 respectively for A and B.…
    Chemistry · Solutions · Numerical
  22. Q22.If the pKa of lactic acid is 5, then the pH of 0.005 M calcium lactate solution at 25 ∘ C is ​× 10 −1 (Nearest integer) Includes diagram
    Chemistry · Ionic Equilibrium · Numerical