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Chemistry · 2023 · 25 Jan · Shift 2

21 questions from this JEE Main paper
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Chemistry · 2023 · 25 Jan · Shift 2

21 questions from this JEE Main paper

Aldehydes Ketones and Carboxylic Acids2 questionsIonic Equilibrium1 questionsCompounds Containing Nitrogen2 questionsSome Basic Concepts of Chemistry2 questionsAlcohols Phenols and Ethers2 questionsHaloalkanes and Haloarenes1 questionsP Block Elements2 questionsChemical Bonding and Molecular Structure1 questionsCoordination Compounds2 questionsD and F Block Elements1 questionsThermodynamics1 questionsSolutions1 questionsChemical Kinetics and Nuclear Chemistry1 questionsElectrochemistry1 questionsStructure of Atom1 questions
  1. Q1.'A' in the given reaction is Includes diagram
    Chemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
  2. Q2.When the hydrogen ion concentration [H +] changes by a factor of 1000, the value of pH of the solution ​
    Chemistry · Ionic Equilibrium · MCQ
  3. Q3.Match List I with List II Choose the correct answer from the options given below : Includes table
    Chemistry · Compounds Containing Nitrogen · MCQ
  4. Q4.What is the mass ratio of ethylene glycol (C2​H6​O2​, molar mass = 62 g/mol) required for making 500 g of 0.25 molal aqueous solution and 250 mL of 0.25 molar aqueous solution?
    Chemistry · Some Basic Concepts of Chemistry · MCQ
  5. Q5.Find out the major product from the following reaction. Includes diagram
    Chemistry · Alcohols Phenols and Ethers · MCQ
  6. Q6.The isomeric deuterated bromide with molecular formula C4​H8​DBr having two chiral carbon atoms is
    Chemistry · Haloalkanes and Haloarenes · MCQ
  7. Q7.Match List I with List II Choose the correct answer from the options given below : Includes table
    Chemistry · Compounds Containing Nitrogen · MCQ
  8. Q8.A. Ammonium salts produce haze in atmosphere. B. Ozone gets produced when atmospheric oxygen reacts with chlorine radicals. C. Polychlorinated biphenyls act as cleansing solvents. D. 'Blue baby' syndrome occurs due to the presence of…
    Chemistry · P Block Elements · MCQ
  9. Q9.Statement I : Dipole moment is a vector quantity and by convention it is depicted by a small arrow with tail on the negative centre and head pointing towards the positive centre. Statement II : The crossed arrow of the dipole moment…
    Chemistry · Chemical Bonding and Molecular Structure · MCQ
  10. Q10.Match List I with List II Choose the correct answer from the options given below : Includes table
    Chemistry · Coordination Compounds · MCQ
  11. Q11.A chloride salt solution acidified with dil.HNO 3​ gives a curdy white precipitate, [A], on addition of AgNO 3​. [A] on treatment with NH 4​ OH gives a clear solution B. A and B are respectively :
    Chemistry · D and F 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 : Butylated hydroxy anisole when added to butter increases its shelf life. Reason R : Butylated hydroxy anisole is more…
    Chemistry · Alcohols Phenols and Ethers · MCQ
  13. Q13.Potassium dichromate acts as a strong oxidizing agent in acidic solution. During this process, the oxidation state changes from :
    Chemistry · P Block Elements · MCQ
  14. Q14.28.0 L of CO 2​ is produced on complete combustion of 16.8 L gaseous mixture of ethene and methane at 25 ∘ C and 1 atm. Heat evolved during the combustion process is ​ kJ. Given : ΔHc​ (CH4​)=−900 kJ mol−1ΔHc​ (C2​H4​)=−1400 kJ mol−1…
    Chemistry · Thermodynamics · Numerical
  15. Q15.The number of pairs of the solutions having the same value of the osmotic pressure from the following is ​. (Assume 100% ionization) A. 0.500 M C2​H5​OH (aq) and 0.25 M KBr (aq) B. 0.100 M K4​[Fe(CN)6​] (aq)…
    Chemistry · Solutions · Numerical
  16. Q16.A first order reaction has the rate constant, k=4.6×10−3 s−1. The number of correct statement/s from the following is/are ​ Given : log3=0.48 A. Reaction completes in 1000 s. B.…
    Chemistry · Chemical Kinetics and Nuclear Chemistry · Numerical
  17. Q17.Pt(s)∣H2​(g)(1bar)∣H+(aq)(1M)∣∣M3+(aq),M+(aq)∣Pt(s) The Ecell​ for the given cell is 0.1115 V at 298 K when [M3+(aq)][M+(aq)]​=10a The…
    Chemistry · Electrochemistry · Numerical
  18. Q18.The number of given orbitals which have electron density along the axis is ​ px​,py​,pz​,dxy​,dyz​,dxz​,dz2​,dx2−y2​
    Chemistry · Structure of Atom · Numerical
  19. Q19.Total number of moles of AgCl precipitated on addition of excess of AgNO 3​ to one mole each of the following complexes [Co(NH3​)4​Cl2​]Cl,[Ni(H2​O)6​]Cl2​,[Pt(NH3​)2​Cl2​] and [Pd(NH3​)4​]Cl2​ is ​…
    Chemistry · Coordination Compounds · Numerical
  20. Q20.Number of compounds giving (i) red colouration with ceric ammonium nitrate and also (ii) positive iodoform test from the following is ​ Includes diagram
    Chemistry · Aldehydes Ketones and Carboxylic Acids · Numerical
  21. Q21.Number of hydrogen atoms per molecule of a hydrocarbon A having 85.8% carbon is ​ (Given : Molar mass of A = 84 g mol −1)
    Chemistry · Some Basic Concepts of Chemistry · Numerical