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 · 28 Jun · Shift 2

21 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 · 28 Jun · Shift 2
  5. /Chemistry

Chemistry · 2022 · 28 Jun · Shift 2

21 questions from this JEE Main paper

Some Basic Concepts of Chemistry2 questionsStructure of Atom1 questionsChemical Bonding and Molecular Structure1 questionsIonic Equilibrium1 questionsPeriodic Table and Periodicity2 questionsBasics of Organic Chemistry1 questionsAlcohols Phenols and Ethers1 questionsHaloalkanes and Haloarenes2 questionsAldehydes Ketones and Carboxylic Acids1 questionsCompounds Containing Nitrogen1 questionsBiomolecules1 questionsThermodynamics1 questionsSolutions1 questionsElectrochemistry1 questionsChemical Kinetics and Nuclear Chemistry1 questionsCoordination Compounds2 questionsRedox Reactions1 questions
  1. Q1.Compound A contains 8.7% Hydrogen, 74% Carbon and 17.3% Nitrogen. The molecular formula of the compound is, Given : Atomic masses of C, H and N are 12, 1 and 14 amu respectively. The molar mass of the compound A is 162 g mol − 1.
    Chemistry · Some Basic Concepts of Chemistry · MCQ
  2. Q2.Consider the following statements : (A) The principal quantum number 'n' is a positive integer with values of 'n' = 1, 2, 3, ... (B) The azimuthal quantum number 'l' for a given 'n' (principal quantum number) can have values as 'l' = 0, 1,…
    Chemistry · Structure of Atom · MCQ
  3. Q3.In the structure of SF4​, the lone pair of electrons on S is in.
    Chemistry · Chemical Bonding and Molecular Structure · MCQ
  4. Q4.A student needs to prepare a buffer solution of propanoic acid and its sodium salt with pH 4. The ratio of [CH3​CH2​COOH][CH3​CH2​COO−]​ required to make buffer is ​. Given : Ka​(CH3​CH2​COOH)=1.3×10−5…
    Chemistry · Ionic Equilibrium · MCQ
  5. Q5.Match List - I with List - II : Choose the correct answer from the options given below : Includes table
    Chemistry · Periodic Table and Periodicity · MCQ
  6. Q6.Among the following, basic oxide is :
    Chemistry · Periodic Table and Periodicity · MCQ
  7. Q7.The correct IUPAC name of the following compound is : Includes diagram
    Chemistry · Basics of Organic Chemistry · MCQ
  8. Q8.The major product (P) of the given reaction is (where, Me is − CH3​) Includes diagram
    Chemistry · Alcohols Phenols and Ethers · MCQ
  9. Q9.In the above reaction 'A' is Includes diagram
    Chemistry · Haloalkanes and Haloarenes · MCQ
  10. Q10.Isobutyraldehyde on reaction with formaldehyde and K2​CO3​ gives compound 'A'. Compound 'A' reacts with KCN and yields compound 'B', which on hydrolysis gives a stable compound 'C'. The compound 'C' is
    Chemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
  11. Q11.With respect to the following reaction, consider the given statements : (A) o-Nitroaniline and p-nitroaniline are the predominant products. (B) p-Nitroaniline and m-nitroaniline are the predominant products. (C) HNO3​ acts as an acid.… Includes diagram
    Chemistry · Compounds Containing Nitrogen · MCQ
  12. Q12.When sugar 'X' is boiled with dilute H2​SO4​ in alcoholic solution, two isomers 'A' and 'B' are formed. 'A' on oxidation with HNO3​ yields saccharic acid where as 'B' is laevorotatory. The compound 'X' is :
    Chemistry · Biomolecules · MCQ
  13. Q13.For combustion of one mole of magnesium in an open container at 300 K and 1 bar pressure, Δ CH Θ=− 601.70 kJ mol − 1, the magnitude of change in internal energy for the reaction is ​ kJ. (Nearest…
    Chemistry · Thermodynamics · Numerical
  14. Q14.2.5 g of protein containing only glycine (C2​H5​NO2​) is dissolved in water to make 500 mL of solution. The osmotic pressure of this solution at 300 K is found to be 5.03 × 10 − 3 bar. The total number of glycine units present…
    Chemistry · Solutions · Numerical
  15. Q15.For the given reactions Sn2+ + 2e −→ Sn Sn4+ + 4e −→ Sn the electrode potentials are ; ESn2+/Sno​=−0.140 V and ESn4+/Sno​=+0.010 V. The magnitude of standard electrode potential for Sn4+/Sn2+…
    Chemistry · Electrochemistry · Numerical
  16. Q16.A radioactive element has a half life of 200 days. The percentage of original activity remaining after 83 days is ​. (Nearest integer) (Given : antilog 0.125 = 1.333, antilog 0.693 = 4.93)
    Chemistry · Chemical Kinetics and Nuclear Chemistry · Numerical
  17. Q17.[Fe(CN)6​]4−[Fe(CN)6​]3−[Ti(CN)6​]3−[Ni(CN)4​]2−[Co(CN)6​]3− Among the given complexes, number of paramagnetic complexes is ​.
    Chemistry · Coordination Compounds · Numerical
  18. Q18.(a) CoCl3​.4NH3​, (b) CoCl3​.5NH3​, (c) CoCl3​.6NH3​ and (d) CoCl(NO3​)2​.5NH3​. Number of complex(es) which will exist in cis-trans form is/are ​.
    Chemistry · Coordination Compounds · Numerical
  19. Q19.The complete combustion of 0.492 g of an organic compound containing 'C', 'H' and 'O' gives 0.793 g of CO2​ and 0.442 g of H2​O. The percentage of oxygen composition in the organic compound is ​. (nearest…
    Chemistry · Some Basic Concepts of Chemistry · Numerical
  20. Q20.The major product of the following reaction contains ​ bromine atom(s). Includes diagram
    Chemistry · Haloalkanes and Haloarenes · Numerical
  21. Q21.0.01 M KMnO4​ solution was added to 20.0 mL of 0.05 M Mohr's salt solution through a burette. The initial reading of 50 mL burette is zero. The volume of KMnO4​ solution left in the burette after the end point is ​…
    Chemistry · Redox Reactions · Numerical