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Chemistry · 2024 · 30 Jan · Shift 2

30 questions from this JEE Main paper
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Chemistry · 2024 · 30 Jan · Shift 2

30 questions from this JEE Main paper

Compounds Containing Nitrogen1 questionsBasics of Organic Chemistry4 questionsSolutions1 questionsChemical Bonding and Molecular Structure2 questionsP Block Elements2 questionsSome Basic Concepts of Chemistry1 questionsHaloalkanes and Haloarenes2 questionsPeriodic Table and Periodicity2 questionsElectrochemistry2 questionsAldehydes Ketones and Carboxylic Acids2 questionsHydrocarbons1 questionsD and F Block Elements2 questionsCoordination Compounds2 questionsBiomolecules1 questionsStructure of Atom1 questionsRedox Reactions1 questionsIonic Equilibrium1 questionsChemical Kinetics and Nuclear Chemistry1 questionsThermodynamics1 questions
  1. Q1.The products A and B formed in the following reaction scheme are respectively Includes diagram
    Chemistry · Compounds Containing Nitrogen · MCQ
  2. Q2.The correct stability order of carbocations is
    Chemistry · Basics of Organic Chemistry · MCQ
  3. Q3.Which among the following purification methods is based on the principle of "Solubility" in two different solvents?
    Chemistry · Basics of Organic Chemistry · MCQ
  4. Q4.IUPAC name of following compound is : Includes diagram
    Chemistry · Basics of Organic Chemistry · MCQ
  5. Q5.The solution from the following with highest depression in freezing point/lowest freezing point is
    Chemistry · Solutions · MCQ
  6. Q6.Given below are two statements: Statement - I: Since Fluorine is more electronegative than nitrogen, the net dipole moment of NF3​ is greater than NH3​. Statement - II: In NH3​, the orbital dipole due to…
    Chemistry · Chemical Bonding and Molecular Structure · MCQ
  7. Q7.A and B formed in the following reactions are: ​CrO2​Cl2​+4NaOH→A+2NaCl+2H2​O,A+2HCl+2H2​O2​→B+3H2​O​…
    Chemistry · P Block Elements · MCQ
  8. Q8.If a substance 'A' dissolves in solution of a mixture of 'B' and 'C' with their respective number of moles as nA​,nB​ and nC3​​. Mole fraction of C in the…
    Chemistry · Some Basic Concepts of Chemistry · MCQ
  9. Q9.The molecule / ion with square pyramidal shape is
    Chemistry · Chemical Bonding and Molecular Structure · MCQ
  10. Q10.Given below are two statements: Statement - I: High concentration of strong nucleophilic reagent with secondary alkyl halides which do not have bulky substituents will follow SN​2 mechanism. Statement - II: A…
    Chemistry · Haloalkanes and Haloarenes · MCQ
  11. Q11.Choose the correct statements about the hydrides of group 15 elements. A. The stability of the hydrides decreases in the order NH3​>PH3​>AsH3​>SbH3​>BiH3​. B. The reducing…
    Chemistry · P Block Elements · MCQ
  12. Q12.Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R: Assertion A: H2​Te is more acidic than H2​ S. Reason R: Bond dissociation enthalpy of H2​Te…
    Chemistry · Periodic Table and Periodicity · MCQ
  13. Q13.Alkaline oxidative fusion of MnO2​ gives "A" which on electrolytic oxidation in alkaline solution produces B. A and B respectively are
    Chemistry · Electrochemistry · MCQ
  14. Q14.Salicylaldehyde is synthesized from phenol, when reacted with
    Chemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
  15. Q15.m-chlorobenzaldehyde on treatment with 50% KOH solution yields :
    Chemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
  16. Q16.Products A and B formed in the following set of reactions are Includes diagram
    Chemistry · Hydrocarbons · MCQ
  17. Q17.The orange colour of K2​Cr2​O7​ and purple colour of KMnO4​ is due to
    Chemistry · D and F Block Elements · MCQ
  18. Q18.The coordination geometry around the manganese in decacarbonyldimanganese (0) is
    Chemistry · Coordination Compounds · MCQ
  19. Q19.Reduction potential of ions are given below: ClO4−​E∘=1.19 V​IO4−​E∘=1.65 V​BrO4−​E∘=1.74 V​…
    Chemistry · Electrochemistry · MCQ
  20. Q20.Given below are two statements: Statement - I: Along the period, the chemical reactivity of the elements gradually increases from group 1 to group 18 . Statement - II: The nature of oxides formed by group 1 elements is basic while that of…
    Chemistry · Periodic Table and Periodicity · MCQ
  21. Q21.The total number of correct statements, regarding the nucleic acids is ​. A. RNA is regarded as the reserve of genetic information B. DNA molecule self-duplicates during cell division C. DNA synthesizes proteins in…
    Chemistry · Biomolecules · Numerical
  22. Q22.Number of metal ions characterized by flame test among the following is ​. Sr2+,Ba2+,Ca2+,Cu2+,Zn2+,Co2+,Fe2+
    Chemistry · D and F Block Elements · Numerical
  23. Q23.Number of spectral lines obtained in He+ spectra, when an electron makes transition from fifth excited state to first excited state will be
    Chemistry · Structure of Atom · Numerical
  24. Q24.Total number of species from the following which can undergo disproportionation reaction is ​. H2​O2​,ClO3−​,P4​,Cl2​,Ag,Cu+1, F2​,NO2​,K+…
    Chemistry · Redox Reactions · Numerical
  25. Q25.Number of geometrical isomers possible for the given structure is/are ​. Includes diagram
    Chemistry · Basics of Organic Chemistry · Numerical
  26. Q26.The pH of an aqueous solution containing 1M benzoic acid (pKa​=4.20) and 1M sodium benzoate is 4.5. The volume of benzoic acid solution in 300 mL of this…
    Chemistry · Ionic Equilibrium · Numerical
  27. Q27.NO2​ required for a reaction is produced by decomposition of N2​O5​ in CCl4​ as by equation 2 N2​O5( g)​→4NO2( g)​+O2( g)​…
    Chemistry · Chemical Kinetics and Nuclear Chemistry · Numerical
  28. Q28.Number of complexes which show optical isomerism among the following is ​.  cis- [Cr(ox)2​Cl2​]3−,[Co(en)3​]3+, cis- [Pt(en)2​Cl2​]2+, cis- [Co(en)2​Cl2​]+,trans- [Pt(en)2​Cl2​]2+, trans- [Cr(ox)2​Cl2​]3−…
    Chemistry · Coordination Compounds · Numerical
  29. Q29.2-chlorobutane +Cl2​→C4​H8​Cl2​(isomers) Total number of optically active isomers shown by C4​H8​Cl2​, obtained in the above reaction is ​…
    Chemistry · Haloalkanes and Haloarenes · Numerical
  30. Q30.Two reactions are given below: ​2Fe(s)​+23​O2( g)​→Fe2​O3( s)​,ΔH∘=−822 kJ/molC(s)​+21​O2( g)​→CO(g)​,ΔH∘=−110 kJ/mol​…
    Chemistry · Thermodynamics · Numerical