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Set 15 of 16 · Questions 421-450 of 459

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JEE Main Chemistry · Hydrocarbons · Set 15 (Q421-450)

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  1. 421.
    The major product obtained in the following conversion is:
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  2. 422.
    What is the number of moles of ethane obtained from moles of bromomethane using moles of sodium atoms in dry ether medium?
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  3. 423.
    The most suitable reagent for the following conversion, is
    1. (1)
    2. (2)liquid N
    3. (3), quinoline
    4. (4)
  4. 424.
    In the given reactions identify the reagent and reagent
    1. (1)
    2. (2) B -
    3. (3) B -
    4. (4)
  5. 425.
    The treatment of benzene with isobutene in the presence of sulphuric acid gives :
    1. (1)isobutyl benzene
    2. (2)tert-butyl benzene
    3. (3)n-butyl benzene
    4. (4)no reaction
  6. 426.
    An alkene on ozonolysis gives a mixture of Propan-2one and methanal. What is X?
    1. (1)Propene
    2. (2)2-Methylpropene
    3. (3)2-Methylbut-1-ene
    4. (4)2-Methylbut-2-ene
  7. 427.
    In the following reaction,


    the number of sigma() bonds present in the product A, is
    1. (1)2l
    2. (2)9
    3. (3)24
    4. (4)18
  8. 428.
    Phenol is heated with a solution of mixture of KBr and KBrO3. The major product obtained in the above reaction is :
    1. (1)2-Bromophenol
    2. (2)3-Bromophenol
    3. (3)4-Bromophenol
    4. (4)2, 4, 6 -Tribromophenol
  9. 429.
    The major product of the following reaction is:
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  10. 430.
    The reaction of chloroform with alcoholic KOH and p-toluidine forms :
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  11. 431.
    In the following reaction sequence the major products and are:
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  12. 432.
    Methane can be converted into ethane by the reactions
    1. (1)chlorination followed by the reaction with alcoholic KOH
    2. (2)chlorination followed by the reaction with aqueous KOH
    3. (3)chlorination followed by Wurtz reaction
    4. (4)chlorination followed by decarboxylation.
  13. 433.
    An organic compound 'A' on treatment with yields compound 'B' .Compound 'A' also yields compound 'B' an ozonolysis. Compound 'A' is :
    1. (1)2-Methylpropene
    2. (2)1-Methylcyclopropane
    3. (3)But-2-ene
    4. (4)Cyclobutane
  14. 434.
    When is treated with , the product formed is
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  15. 435.
    The angle strain in cyclobutane is
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  16. 436.
    Picric acid is
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  17. 437.
    The homologue of ethyne is :
    1. (1)C2H2
    2. (2)C2H6
    3. (3)C3H8
    4. (4)C3H4
  18. 438.
    Picric acid is
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  19. 439.


    In the following reaction is:
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  20. 440.
    on treatment with in produced a single isomer while heating with sodalime gave toluene. The compound is
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  21. 441.
    A solution of -chloroaniline, -chlorophenol and -chlorobenzoic acid in ethyl acetate was extracted initially with a saturated solution of to give fraction . The left over organic phase was extracted with dilute solution to give fraction . The final organic layer was labelled as fraction . Fraction and , contain respectively :
    1. (1)-chlorobenzoic acid, -chlorophenol and -chloroaniline
    2. (2)-chlorophenol, -chlorobenzoic acid and -chloroaniline
    3. (3)-chloroaniline,-chlorobenzoic acid and -chlorophenol
    4. (4)-chlorobenzoic acid, -chloroaniline and -chlorophenol
  22. 442.
    Major product P of above reaction, is :
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  23. 443.
    Predict the product,
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  24. 444.
    In the reaction
    1. (1)‐Butyne, ‐Hexyne
    2. (2)‐Butyne, ‐Hexyne
    3. (3)‐Butyne, ‐Hexyne
    4. (4)‐Butyne, ‐Hexyne.
  25. 445.
    Match List - I with List - II.

    Choose the correct answer from the options given below:
    1. (1)(A)-(III), (B)-(II), (C)-(IV), (D)-(I)
    2. (2)(A)-(IV), (B)-(III), (C)-(I), (D)-(II)
    3. (3)(A)-(IV), (B)-(I), (C)-(II), (D)-(III)
    4. (4)(A)-(III), (B)-(IV), (C)-(II), (D)-(I)
  26. 446.
    Identify A in the following reaction.
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  27. 447.
    Consider the following

    ‘A’ is:
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  28. 448.
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  29. 449.
    The reaction,
    is
    1. (1)Wurtz reaction
    2. (2)Kolbe reaction
    3. (3)Sabatier-Senderens reaction
    4. (4)Dow's reaction
  30. 450.
    ‘A’ (predominalty) is :
    1. (1)
    2. (2)
    3. (3)
    4. (4)