Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents

Your guest activity stays on this device

Sign in to save progress →
Sign in

Chemistry · 2022 · 26 Jun · Shift 1

20 questions from this JEE Main paper
Guest · filters and generic practice availableBrowsing as a guest · PYQ filters and generic practice are available. Sign in only for personalised features and saved progress.
  1. PYQ Library
  2. /JEE Main
  3. /Papers
  4. /2022 · 26 Jun · Shift 1
  5. /Chemistry

Chemistry · 2022 · 26 Jun · Shift 1

20 questions from this JEE Main paper

Some Basic Concepts of Chemistry2 questionsStructure of Atom1 questionsChemical Bonding and Molecular Structure1 questionsElectrochemistry1 questionsP Block Elements1 questionsPractical Organic Chemistry1 questionsAldehydes Ketones and Carboxylic Acids2 questionsAlcohols Phenols and Ethers2 questionsCompounds Containing Nitrogen1 questionsCoordination Compounds2 questionsThermodynamics1 questionsSolutions1 questionsIonic Equilibrium1 questionsChemical Kinetics and Nuclear Chemistry1 questionsD and F Block Elements1 questionsBiomolecules1 questions
  1. Q1.A commercially sold conc. HCl is 35% HCl by mass. If the density of this commercial acid is 1.46 g/mL, the molarity of this solution is: (Atomic mass : Cl = 35.5 amu, H = 1 amu)
    Chemistry · Some Basic Concepts of Chemistry · MCQ
  2. Q2.If the radius of the 3rd Bohr's orbit of hydrogen atom is r3 and the radius of 4th Bohr's orbit is r4. Then :
    Chemistry · Structure of Atom · MCQ
  3. Q3.Consider the ions/molecule O 2+​, O2​, O 2−​, O 22−​ For increasing bond order the correct option is :
    Chemistry · Chemical Bonding and Molecular Structure · MCQ
  4. Q4.The (∂T∂E​)P​ of different types of half cells are as follows: (Where E is the electromotive force) Which of the above half cells would be preferred to be used as reference electrode? Includes table
    Chemistry · Electrochemistry · MCQ
  5. Q5.Choose the correct stability order of group 13 elements in their + 1 oxidation state :
    Chemistry · P Block Elements · MCQ
  6. Q6.Given below are two statements : Statement I : In 'Lassaigne's Test', when both nitrogen and sulphur are present in an organic compound, sodium thiocyanate is formed. Statement II : If both nitrogen and sulphur are present in an organic…
    Chemistry · Practical Organic Chemistry · MCQ
  7. Q7.(C7​H5​O2​)2​ hv​[X]→ 2C6​H5​ + 2CO2​ Consider the above reaction and identify the intermediate 'X'
    Chemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
  8. Q8.Consider the above reaction sequence and identify the product B. Includes diagram
    Chemistry · Alcohols Phenols and Ethers · MCQ
  9. Q9.Which will have the highest enol content?
    Chemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
  10. Q10.Among the following structures, which will show the most stable enamine formation? (Where Me is − CH3​)
    Chemistry · Compounds Containing Nitrogen · MCQ
  11. Q11.Which statement is not true with respect to nitrate ion test?
    Chemistry · Coordination Compounds · MCQ
  12. Q12.For complete combustion of methanol CH3​OH(I) + 23​ O2​(g) → CO2​(g) + 2H2​O(I) the amount of heat produced as measured by bomb calorimeter is 726 kJ mol − 1 at 27 ∘ C. The enthalpy of combustion for the…
    Chemistry · Thermodynamics · Numerical
  13. Q13.A 0.5 percent solution of potassium chloride was found to freeze at − 0.24 ∘ C. The percentage dissociation of potassium chloride is ​. (Nearest integer) (Molal depression constant for water is 1.80 K kg…
    Chemistry · Solutions · Numerical
  14. Q14.50 mL of 0.1 M CH3​COOH is being titrated against 0.1 M NaOH. When 25 mL of NaOH has been added, the pH of the solution will be ​× 10 − 2. (Nearest integer) (Given : pKa (CH3​COOH) = 4.76) log 2 =…
    Chemistry · Ionic Equilibrium · Numerical
  15. Q15.A flask is filled with equal moles of A and B. The half lives of A and B are 100 s and 50 s respectively and are independent of the initial concentration. The time required for the concentration of A to be four times that of B is ​…
    Chemistry · Chemical Kinetics and Nuclear Chemistry · Numerical
  16. Q16.The spin-only magnetic moment value of the most basic oxide of vanadium among V2​O3​, V2​O4​ and V2​O5​ is ​ B.M. (Nearest integer)
    Chemistry · D and F Block Elements · Numerical
  17. Q17.The spin-only magnetic moment value of an octahedral complex among CoCl3​.4NH3​, NiCl2​.6H2​O and PtCl4​.2HCl, which upon reaction with excess of AgNO3​ gives 2 moles of AgCl is ​ B.M. (Nearest integer)
    Chemistry · Coordination Compounds · Numerical
  18. Q18.On complete combustion 0.30 g of an organic compound gave 0.20 g of carbon dioxide and 0.10 g of water. The percentage of carbon in the given organic compound is ​. (Nearest integer)
    Chemistry · Some Basic Concepts of Chemistry · Numerical
  19. Q19.Compound 'P' on nitration with dil. HNO3​ yields two isomers (A) and (B). These isomers can be separated by steam distillation. Isomers (A) and (B) show the intramolecular and intermolecular hydrogen bonding respectively. Compound (P) on…
    Chemistry · Alcohols Phenols and Ethers · Numerical
  20. Q20.The number of oxygens present in a nucleotide formed from a base, that is present only in RNA is ​.
    Chemistry · Biomolecules · Numerical