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Chemistry · 2012 · Shift 1

20 questions from this JEE Advanced paper
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Chemistry · 2012 · Shift 1

20 questions from this JEE Advanced paper

Chemical Kinetics and Nuclear Chemistry2 questionsSome Basic Concepts of Chemistry1 questionsSurface Chemistry1 questionsHydrocarbons1 questionsStructure of Atom1 questionsSolid State1 questionsAldehydes Ketones and Carboxylic Acids4 questionsCoordination Compounds1 questionsP Block Elements2 questionsGaseous State1 questionsD and F Block Elements1 questionsThermodynamics1 questionsBasics of Organic Chemistry2 questionsBiomolecules1 questions
  1. Q1.An organic compound undergoes first-order decomposition. The time taken for its decomposition to 1/8 and 1/10 of its initial concentration are t1/8 and t1/10 respectively. What is the value of [t1/10​t1/8​​]×10…
    Chemistry · Chemical Kinetics and Nuclear Chemistry · Numerical
  2. Q2.The periodic table consists of 18 groups. An isotope of copper, on bombardment with protons undergoes a nuclear reaction yielding element X as shown below. To which group, element X belongs in the periodic table? 2963​Cu+11​H→601​n…
    Chemistry · Chemical Kinetics and Nuclear Chemistry · Numerical
  3. Q3.29.2 % (w/w) HCl stock solution has density of 1.25 g mL-1 . The molecular weight of HCl is 36.5 g mol-1 . The volume (mL) of stock solution required to prepare a 200 mL solution of 0.4 M HCl is
    Chemistry · Some Basic Concepts of Chemistry · Numerical
  4. Q4.Choose the correct reason for the stability of the Iyophobic colloidal particles
    Chemistry · Surface Chemistry · Multiple correct
  5. Q5.In allene (C3​H4​), the type(s) of hybridisation of the carbon atoms is (are):
    Chemistry · Hydrocarbons · MCQ
  6. Q6.The kinetic energy of an electron in the second Bohr orbit of a hydrogen atom is [α0​ is Bohr radius]
    Chemistry · Structure of Atom · MCQ
  7. Q7.A compound MpXq has cubic close packing (ccp) arrangement of X. Its unit cell structure is shown below. The empirical formula of the compound is Includes diagram
    Chemistry · Solid State · MCQ
  8. Q8.The carboxyl functional group (− COOH) is present in
    Chemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
  9. Q9.As per IUPAC nomenclature, the name of the complex [Co(H2​O)4​(NH3​)2​]Cl3​ is
    Chemistry · Coordination Compounds · MCQ
  10. Q10.Which ordering of compounds is according to the decreasing order of the oxidation state of nitrogen?
    Chemistry · P Block Elements · MCQ
  11. Q11.For one mole of a van der Waals gas when b = 0 and T = 300 K, the PV vs. 1/V plot is shown below. The value of the van der Waals constant a (atm L2 mol − 2) is Includes diagram
    Chemistry · Gaseous State · MCQ
  12. Q12.The number of aldol reactions that occur in the given transformation are Includes diagram
    Chemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
  13. Q13.The colour of light absorbed by an aqueous solution of CuSO4​ is
    Chemistry · D and F Block Elements · MCQ
  14. Q14.The number of optically active products obtained from the complete ozonolysis of the given compound is ​. Includes diagram
    Chemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
  15. Q15.Which of the following hydrogen halides reacts with AgNO3​(aq.) to give a precipitate that dissolves in Na2​S2​O3​ (aq.) ?
    Chemistry · P Block Elements · Multiple correct
  16. Q16.Identify the binary mixtures that can be separated into individual compounds, by differential extraction, as shown in the given scheme. Includes diagram
    Chemistry · Aldehydes Ketones and Carboxylic Acids · Multiple correct
  17. Q17.For an ideal gas, consider only P-V work in going from an initial state X to the final state Z. The final state Z can be reached by either of the two paths shown in the figure. Which of the following choice(s) is(are) correct? (Take Δ… Includes diagram
    Chemistry · Thermodynamics · Multiple correct
  18. Q18.Which of the following molecules, in pure form, is(are) unstable at room temperature?
    Chemistry · Basics of Organic Chemistry · Multiple correct
  19. Q19.The substituents R1 and R2 for nine peptides are listed in the table given below. How many of these peptides are positively charged at pH = 7.0 ? Includes table Includes diagram
    Chemistry · Biomolecules · Numerical
  20. Q20.When the following aldohexose exists in its D-configuration, the total number of stereoisomers in its pyranose form is ​. Includes diagram
    Chemistry · Basics of Organic Chemistry · Numerical