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Set 4 of 16 · Questions 91-120 of 459

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JEE Main Chemistry · Hydrocarbons · Set 4 (Q91-120)

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  1. 91.
    In the Hofmann bromamide degradation reaction, the number of moles of NaOH and used per mole of amine produced are :
    1. (1)Four moles of NaOH and two moles of
    2. (2)Two moles of NaOH and two moles of
    3. (3)Four moles of NaOH and one mole of
    4. (4)One mole of NaOH and one mole of
  2. 92.
    + + KOH → Nitrogen containing compound + KCI + O.
    Nitrogen containing compound is :
    1. (1)CH3–C≡N
    2. (2)–NH–
    3. (3)–≡
    4. (4)–≡
  3. 93.
    In Friedel‐Crafts alkylation, besides the other reactants are
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  4. 94.
    In pyrrole the electron density is maximum on
    1. (1)2 and 3
    2. (2)3 and 4
    3. (3)2 and 4
    4. (4)2 and 5
  5. 95.
    The structure of the compound that gives a tribromo derivative on treatment with bromine water is
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  6. 96.
    Given below are two statements:
    Statement I: Ozonolysis followed by treatment with of cis-2-butene gives ethanal.
    Statement II: The product obtained by ozonolysis followed by treatment with of 3, 6-dimethyloct-4-ene has no chiral carbon atom.
    In the light of the above statements, choose the correct answer from the options given below
    1. (1)Statement I is false but Statement II are true
    2. (2)Both Statement I and Statement II are
    3. (3)Statement I is true but Statement II is false
    4. (4)Both Statement I and Statement II are true
  7. 97.
    The major products and in the following reactions are
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  8. 98.
    In the conversion of to , the electrophile involved is
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  9. 99.
    One of the following which does not observe the anti‐Markownikoffs addition of HBr, is
    1. (1)pent‐2‐ene
    2. (2)propene
    3. (3)but‐2‐ene
    4. (4)but‐l‐ene.
  10. 100.
    The major product 'P' formed in the given reaction is
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  11. 101.
    Which of the following chemical system is non aromatic?
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  12. 102.
    Geometrical isomerism can be found in which of the following?
    1. (1)Butyric acid
    2. (2)Aspartic acid
    3. (3)Palmitic acid
    4. (4)Cinnamic acid
  13. 103.
    The most stable conformation of ‐butane is
    1. (1)gauche
    2. (2)staggered
    3. (3)skew boat
    4. (4)eclipsed.
  14. 104.
    Which compound amongst the following is not an aromatic compound?
    1. (1)1,3,5-cycloheptatriene
    2. (2)cyclopentadienyl anion
    3. (3)cycloheptatrienyl cation (tropylium)
    4. (4)cyclopropenyl cation
  15. 105.
    But 2-ene on reaction with alkaline at elevated temperature followed by acidification will give:
    1. (1)
    2. (2)one molecule of and one molecule
    3. (3)2 molecules of
    4. (4)2 molecules of
  16. 106.
    Given below are two statements:
    Statement I : Nitration of benzene involves the following step -

    Statement II : Use of Lewis base promotes the electrophilic substitution of benzene. In the light of the above statements, choose the most appropriate answer from the options given below :
    1. (1)Statement I is correct but Statement II is incorrect
    2. (2)Statement I is incorrect but Statement II is correct
    3. (3)Both Statement I and Statement II are correct
    4. (4)Both Statement I and Statement II are incorrect
  17. 107.
    The major product of the following reaction is:
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  18. 108.
    The product formed in the following multistep reaction is:
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  19. 109.
    What are and in the following reaction sequence?


    1. (1)NaOH/CaO
    2. (2)NaOH/ electrolysis
    3. (3)NaOH/CaO
    4. (4)NaOH /electrolysis
  20. 110.
    The major product in the following reaction
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  21. 111.
    Which of the following reactions is used to prepare toluene from bromobenzene?
    1. (1)Wurtz reaction
    2. (2)Fitting reaction
    3. (3)Wurtz-Fitting reaction
    4. (4)Swartz reaction
  22. 112.
    Propan -1-ol can be prepared from propene by :
    1. (1)H2O / H2SO4
    2. (2)Hg (OAc)2 / H2O followed by NaBH4
    3. (3)B2H6 followed by H2O2
    4. (4)CH3CO2H / H2SO4
  23. 113.
    Identify the product and product in the following set of reactions.
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  24. 114.
    An organic compound of molecular formula has six carbon atoms in a ring system, two non-conjugate double bonds and two bromo groups at 1, 4-positions. Then the compound is
    1. (1)aromatic but non-homo-cyclic
    2. (2)aromatic and hetero-cyclic
    3. (3)homo-cyclic but not aromatic
    4. (4)neither homo-cyclic nor hetero-cyclic
  25. 115.
    I.
    II.
    The functional groups in and are respectively
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  26. 116.
    Which compound among the following is most reactive towards electrophilic reagents?
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  27. 117.
    How many isomers are possible for an alkane having molecular formula ?
    1. (1)5
    2. (2)3
    3. (3)4
    4. (4)2
  28. 118.
    Which of the following reaction is expected to readily give a hydrocarbon product in good yields?
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  29. 119.
    Presence of which reagent will affect the reversibility of the following reaction, and change it to a irreversible reaction :
    1. (1)HOCl
    2. (2)dilute
    3. (3)Liquid
    4. (4)Concentrated
  30. 120.
    Isomeric hydrocarbons negative Baeyer's test (Molecular formula ) The total number of isomers from above with four different non-aliphatic substitution sites is -