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General Organic Chemistry — JEE Main PYQs

194 previous year questions on General Organic Chemistry (Chemistry), newest first. Open any question for its complete step-by-step solution.

  1. Which of the following reactions will not produce a racemic product?
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  2. Which of the following has the shortest bond?
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  3. The increasing order of basicity for the following intermediates is (from weak to strong)
    (i)
    (ii)
    (iii)
    (iv)
    (v)
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  4. Among the following compounds, geometrical isomerism is exhibited by:
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  5. Which one of the following compounds possesses the most acidic hydrogen?
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  6. Which of the following compounds produces an optically inactive compound on hydrogenation?
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  7. Which of the following compounds shows geometrical isomerism?
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  8. Among the following compounds, which one has the shortest bond?
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  9. Which of the following compounds will show the maximum 'enol' content?
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  10. The correct IUPAC name of the following compound is
    [O-])cc1Cl</smiles>](cdn-2c609bd7b479f584ccab4cbf)
    JEE Main 2019View solution →
  11. Which of these factors does not govern the stability of a conformation in acyclic compounds?
    JEE Main 2019View solution →
  12. The increasing order of nucleophilicity of the following nucleophiles is :
    (a)
    (b)
    (c)
    (d)
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  13. Which compounds out of the following is/are not aromatic?
    (a) (see structure)
    (b) (see structure)
    (c) (see structure)
    (d) (see structure)
    JEE Main 2019View solution →
  14. In the following skew conformation of ethane, " dihedral angle is:
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  15. Which of the following compounds is not aromatic?
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  16. Which amongst the following is the strongest acid?
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  17. Which of the following molecules is least resonance stabilized ?
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  18. The absolute configuration of
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  19. Which of the following compounds will exhibit geometrical isomerism?
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  20. A solution of (-) -1-chloro -1 - phenylethane is toluene racemises slowly in the presence of a small amount of , due to the formation of :
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  21. The order of stability of the following carbocations:
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  22. How many chiral compounds are possible on monochlorination of 2-methyl butane ?
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  23. Identify the compound that exhibits tautomerism.
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  24. The correct order of increasing basicity of the given conjugate bases () is
    JEE Main 2010View solution →
  25. Out of the following, the alkene that exhibits optical isomerism is
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  26. Arrange the carbanions, , in order of their decreasing stability :
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  27. The alkene that exhibits geometrical isomerism is :
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  28. The number of stereoisomers possible for a compound of the molecular formula is :
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  29. The IUPAC name of neopentane is
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  30. The absolute configuration of

    is
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  31. The correct decreasing order of priority for the functional groups of organic compounds in the IUPAC system of nomenclature is
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  32. Which of the following molecules is expected to rotate the plane of plane polarized light?
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  33. Which one of the following conformation of cyclohexane is chiral?
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  34. The IUPAC name of

    is
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  35. The IUPAC name of the compound shown below is

    (see structure)
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  36. The increasing order of stability of the following free radicals is
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  37. Increasing order of stability among the three main conformations (i.e. Eclipse, Anti, Gauche) of 2-fluoroethanol is
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  38. Due to the presence of an unpaired electron, free radicals are:
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  39. The decreasing order of nucleophilicity among the nucleophiles
    (a) (see structure)
    (b)
    (c)
    (d) (see structure)
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  40. Which types of isomerism is shown by 2,3-dichlorobutane?
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  41. The IUPAC name of the compound
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  42. Which of the following will have meso-isomer also?
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  43. Amongst the following compound, the optically active alkane having lowest molecular mass is
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  44. Which of the following compound is not chiral?
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