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Chemistry · 2015

38 questions from this NEET paper
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Chemistry · 2015

38 questions from this NEET paper

Coordination Compounds2 questionsSome Basic Concepts of Chemistry1 questionsElectrochemistry1 questionsAlcohol Phenols and Ethers1 questionsAldehydes Ketones and Carboxylic Acids2 questionsOrganic Compounds Containing Nitrogen1 questionsSolutions3 questionsHaloalkanes and Haloarenes1 questionsChemical Kinetics2 questionsP Block Elements1 questionsD and F Block Elements3 questionsChemical Bonding and Molecular Structure5 questionsStructure of Atom2 questionsPeriodic Table and Periodicity1 questionsChemical Equilibrium2 questionsIonic Equilibrum1 questionsSome Basic Concepts of Organic Chemistry7 questionsHydrocarbons2 questions
  1. Q75.Which of these statements about [Co(CN)6]3− is true?
    Chemistry · Coordination Compounds · MCQ
  2. Q76.A mixture of gases contains H2 and O2 gases in the ratio of 1 : 4 (w/w). What is the molar ratio of the two gases in the mixture ?
    Chemistry · Some Basic Concepts of Chemistry · MCQ
  3. Q77.A device that converts energy of combustion of fuels like hydrogen and methane, directly into electrical energy is known as
    Chemistry · Electrochemistry · MCQ
  4. Q78.The reaction, is called Includes diagram
    Chemistry · Alcohol Phenols and Ethers · MCQ
  5. Q79.An organic compound 'X' having molecular formula C5H10O yields phenylhydrazone and gives negative response to the iodoform test and Tollens' test. It produces n-pentane on reduction. 'X' could be
    Chemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
  6. Q80.The electrolytic reduction of nitrobenzene in strongly acidic medium produces
    Chemistry · Organic Compounds Containing Nitrogen · MCQ
  7. Q81.The boiling point of 0.2 mol kg−1 solution of X in water is greater than equimolal solution of Y in water. Which one of the following statements is true in this case?
    Chemistry · Solutions · MCQ
  8. Q82.Which of them is not equal to zero for an ideal solution?
    Chemistry · Solutions · MCQ
  9. Q83.Which one of the following electrolytes has the same value of van't Hoff factor (i) as that of Al2(SO4)3 (if all are 100% ionised)?
    Chemistry · Solutions · MCQ
  10. Q84.The reaction of C6H5CH = CHCH3 with HBr produces
    Chemistry · Haloalkanes and Haloarenes · MCQ
  11. Q85.When initial concentration of a reactant is doubled in a reaction, its half-life period is not affected. The order of the reaction is
    Chemistry · Chemical Kinetics · MCQ
  12. Q86.The activation energy of a reaction can be determined from the slope of which of the following graphs?
    Chemistry · Chemical Kinetics · MCQ
  13. Q87.Nitrogen dioxide and sulphur dioxide have some properties in common . Which property is shown by one of these compounds , but not by the other?
    Chemistry · P Block Elements · MCQ
  14. Q88.Magnetic moment 2.84 B.M. is given by (At. nos. Ni = 28, Ti = 22, Cr = 24, Co = 27)
    Chemistry · D and F Block Elements · MCQ
  15. Q89.Because of lanthanoid contraction, which of the following pairs of elements have nearly same atomic radii? (Numbers in the parenthesis are atomic numbers)
    Chemistry · D and F Block Elements · MCQ
  16. Q90.Which of the following processes does not involve oxidation of iron?
    Chemistry · D and F Block Elements · MCQ
  17. Q91.Cobalt (III) chloride forms several octahedral complexes with ammonia. Which of the following will not give test for chloride ions with silver nitrate at 25oC?
    Chemistry · Coordination Compounds · MCQ
  18. Q92.Which of the following species contains equal number of σ- and π-bonds ?
    Chemistry · Chemical Bonding and Molecular Structure · MCQ
  19. Q93.The number of d-electrons in Fe2+ (Z = 26) is not equal to the number of electrons in which one of the following ?
    Chemistry · Structure of Atom · MCQ
  20. Q94.The angular momentum of electron in 'd' orbital is equal to
    Chemistry · Structure of Atom · MCQ
  21. Q95.The species Ar, K+ and Ca2+ contain the same number of electrons. In which order do their radii increase ?
    Chemistry · Periodic Table and Periodicity · MCQ
  22. Q96.Which of the following options represents the correct bond order ?
    Chemistry · Chemical Bonding and Molecular Structure · MCQ
  23. Q97.Maximum bond angle at nitrogen is present in which of the following ?
    Chemistry · Chemical Bonding and Molecular Structure · MCQ
  24. Q98.The correct bond order in the following species is
    Chemistry · Chemical Bonding and Molecular Structure · MCQ
  25. Q99.Which of the following pairs of ions are isoelectronic and isostructural ?
    Chemistry · Chemical Bonding and Molecular Structure · MCQ
  26. Q100.Which of the following statements is correct for a reversible process in a state of equilibrium?
    Chemistry · Chemical Equilibrium · MCQ
  27. Q101.The Ksp of Ag2CrO4, AgCl, AgBr and Agl are respectively, 1.1 × 10−12, 1.8 × 10−10, 5.0 × 10−13, 8.3 × 10−17. Which one of the following salts will precipitate last if AgNO3 solution is added to…
    Chemistry · Ionic Equilibrum · MCQ
  28. Q102.If the value of equilibrium constant for a particular reaction is 1.6 × 1012, then at equilibrium the system will contain
    Chemistry · Chemical Equilibrium · MCQ
  29. Q103.Treatment of cyclopentanone with methyl lithium gives which of the following species ? Includes diagram
    Chemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
  30. Q104.The total number of π-bond electrons in the following structure is Includes diagram
    Chemistry · Some Basic Concepts of Organic Chemistry · MCQ
  31. Q105.Given : Which of the given compounds can exhibit tautomerism? Includes diagram
    Chemistry · Some Basic Concepts of Organic Chemistry · MCQ
  32. Q106.Which of the following is the most correct electron displacement for a nucleophilic reaction to take place?
    Chemistry · Some Basic Concepts of Organic Chemistry · MCQ
  33. Q107.In Duma's method for estimation of nitrogen, 0.25 g of an organic compound gave 40 mL of nitrogen collected at 300 K temperature and 725 mm pressure. If the aqueous tension at 300 K is 25 mm, the percentage of nitrogen in the compound is
    Chemistry · Some Basic Concepts of Organic Chemistry · MCQ
  34. Q108.In which of the following compounds, the C−Cl bond ionisation shall give most stable carbonium ion?
    Chemistry · Some Basic Concepts of Organic Chemistry · MCQ
  35. Q109.Consider the following compounds : Hyperconjunction occurs in Includes diagram
    Chemistry · Some Basic Concepts of Organic Chemistry · MCQ
  36. Q110.The enolic form of ethyl accetoacetate as shown below has Includes diagram
    Chemistry · Some Basic Concepts of Organic Chemistry · MCQ
  37. Q111.A single compound of the structure, is obtainable from ozonolysis of which of the following cyclic compounds? Includes diagram
    Chemistry · Hydrocarbons · MCQ
  38. Q112.Given : The enthalpy of hydrogenation of these compounds will be in the order as Includes diagram
    Chemistry · Hydrocarbons · MCQ