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Chemistry · 2023 · 15 Apr · Shift 1

23 questions from this JEE Main paper
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Chemistry · 2023 · 15 Apr · Shift 1

23 questions from this JEE Main paper

P Block Elements1 questionsCoordination Compounds2 questionsHaloalkanes and Haloarenes1 questionsChemical Bonding and Molecular Structure2 questionsBasics of Organic Chemistry1 questionsBiomolecules1 questionsCompounds Containing Nitrogen2 questionsStructure of Atom2 questionsIonic Equilibrium1 questionsAldehydes Ketones and Carboxylic Acids1 questionsAlcohols Phenols and Ethers1 questionsHydrocarbons1 questionsChemical Kinetics and Nuclear Chemistry1 questionsSome Basic Concepts of Chemistry1 questionsElectrochemistry1 questionsD and F Block Elements2 questionsSolutions1 questionsThermodynamics1 questions
  1. Q1.During water-gas shift reaction
    Chemistry · P Block Elements · MCQ
  2. Q2.The complex with highest magnitude of crystal field splitting energy (Δ0​) is :
    Chemistry · Coordination Compounds · MCQ
  3. Q3.The major product formed in the Friedel-Craft acylation of chlorobenzene is
    Chemistry · Haloalkanes and Haloarenes · MCQ
  4. Q4.The number of P−O−P bonds in H4​P2​O7​,(HPO3​)3​ and P4​O10​ are respectively :
    Chemistry · Chemical Bonding and Molecular Structure · MCQ
  5. Q5.Which of the following statement is correct for paper chromatography?
    Chemistry · Basics of Organic Chemistry · MCQ
  6. Q6.Which is not true for arginine?
    Chemistry · Biomolecules · MCQ
  7. Q7.Consider the following sequence of reactions: The product ' B ' is Includes diagram
    Chemistry · Compounds Containing Nitrogen · MCQ
  8. Q8.Given below are two statements: Statement I : According to Bohr's model of hydrogen atom, the angular momentum of an electron in a given stationary state is quantised. Statement II : The concept of electron in Bohr's orbit, violates the…
    Chemistry · Structure of Atom · MCQ
  9. Q9.Which of the following statement(s) is/are correct? (A) The pH of 1×10−8 M HCl solution is 8 . (B) The conjugate base of H2​PO4−​ is HPO42−​. (C) Kw​…
    Chemistry · Ionic Equilibrium · MCQ
  10. Q10.Consider the following statements: (A) NF3​ molecule has a trigonal planar structure. (B) Bond length of N2​ is shorter than O2​. (C) Isoelectronic molecules or ions have identical bond order. (D) Dipole moment…
    Chemistry · Chemical Bonding and Molecular Structure · MCQ
  11. Q11.In the above conversion the correct sequence of reagents to be added is Includes diagram
    Chemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
  12. Q12.'A' formed in the above reaction is Includes diagram
    Chemistry · Alcohols Phenols and Ethers · MCQ
  13. Q13.The product formed in the following multistep reaction is : Includes diagram
    Chemistry · Hydrocarbons · MCQ
  14. Q14.Decreasing order of reactivity towards electrophilic substitution for the following compounds is : Includes diagram
    Chemistry · Compounds Containing Nitrogen · MCQ
  15. Q15.For a reversible reaction A⇌B, the ΔHforward reaction​=20 kJ mol−1. The activation energy of the uncatalysed forward reaction is 300 kJ mol−1…
    Chemistry · Chemical Kinetics and Nuclear Chemistry · Numerical
  16. Q16.The volume (in mL) of 0.1M AgNO3​ required for complete precipitation of chloride ions present in 20 mL of 0.01M solution of [Cr(H2​O)5​Cl]Cl2​…
    Chemistry · Some Basic Concepts of Chemistry · Numerical
  17. Q17.The number of correct statements from the following is ​. (A) Conductivity always decreases with decrease in concentration for both strong and weak electrolytes. (B) The number of ions per unit volume that carry…
    Chemistry · Electrochemistry · Numerical
  18. Q18.In Chromyl chloride, the oxidation state of chromium is (+)​.
    Chemistry · D and F Block Elements · Numerical
  19. Q19.The vapour pressure of 30%(w/v) aqueous solution of glucose is ​mm Hg at 25∘C. [Given : The density of 30%(w/v), aqueous solution of glucose is 1.2 g cm−3…
    Chemistry · Solutions · Numerical
  20. Q20.30.4 kJ of heat is required to melt one mole of sodium chloride and the entropy change at the melting point is 28.4 J K−1 mol−1 at 1 atm. The melting point of sodium chloride is ​…
    Chemistry · Thermodynamics · Numerical
  21. Q21.The total change in the oxidation state of manganese involved in the reaction of KMnO4​ and potassium iodide in the acidic medium is ​.
    Chemistry · D and F Block Elements · Numerical
  22. Q22.The homoleptic and octahedral complex of Co2+ and H2​O has ​ unpaired electron(s) in the t2g​ set of orbitals.
    Chemistry · Coordination Compounds · Numerical
  23. Q23.The total number of isoelectronic species from the given set is ​. O2−,F−,Al,Mg2+,Na+,O+,Mg,Al3+,F
    Chemistry · Structure of Atom · Numerical