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Set 11 of 15 · Questions 301-330 of 435

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NEET Chemistry · Hydrocarbons · Set 11 (Q301-330)

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  1. 301.
    Identify correct A, B and C in the reaction sequence given below :
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  2. 302.
    The molecular formula of diphenyl methane, , is C13H12.
    How many structural isomers are possible when one of the hydrogen is replaced by chlorine atom
    1. (1)4
    2. (2)8
    3. (3)7
    4. (4)6
  3. 303.
    Find out the major product for the following reaction.
    Major Product
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  4. 304.
    The following reaction

    is known as :
    1. (1)Perkin reaction
    2. (2)Gattermann-Koch formylation
    3. (3)Kolbe’s reaction
    4. (4)Gattermann reaction
  5. 305.
    Product A and B formed in the following set of reactions are:
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  6. 306.
    Which one of the following reaction sequences will give an azo dye?
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  7. 307.
    Consider the given reaction, the product A is :
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  8. 308.
    Excess of isobutane on reaction with in presence of light at C gives which one of the following, asthe major product?
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  9. 309.
    Identify the product in the following reaction sequence.
    1. (1)pentane
    2. (2)cyclobutane
    3. (3)cyclopentane
    4. (4)cyclopentanone.
  10. 310.
    An unsaturated organic compound, on reaction with hot, acidified gives succinic acid. What is ?
    1. (1)Cyclopentene
    2. (2)Cyclopropene
    3. (3)Cyclobutene
    4. (4)2-Butene
  11. 311.
    Fluorination of an aromatic ring is easily accomplished by treating a diazonium salt with . Which of the following conditions is correct about this reaction?
    1. (1)Only heat
    2. (2)/Cu
    3. (3)O/O
    4. (4)NaF/Cu
  12. 312.
    The major product of the following reaction is:
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  13. 313.
    The major product Z obtained in the following reaction scheme is
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  14. 314.
    What is the major product ' ' in the following sequence of reactions?
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  15. 315.
    Consider the following reaction What is Y?
    1. (1)Acetanilide
    2. (2)Benzanilide
    3. (3)Azobenzene
    4. (4)Hydrazobenzene
  16. 316.
    Product 'A' of following sequence of reactions is Ethylbenzene 'A'(Major product)
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  17. 317.
    In the following reaction,

    Compound (A) and (B) respectively are
    1. (1)Nitrobenzene and fluorobenzen
    2. (2)Phenol and benzene
    3. (3)Benzene diazonium chloride and fluorobenzene
    4. (4)Nitrobenzene and chlorobenzene
  18. 318.
    The electrolytic reduction of nitrobenzene in strongly acidic medium produces :
    1. (1)Anoxybenzene
    2. (2)Azobenzene
    3. (3)Aniline
    4. (4)p-Aminophenol
  19. 319.
    Predict the major product of the following reaction sequence:-
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  20. 320.
    Which among the following pairs of the structures will give different products on ozonolysis? (Consider the double bonds in the structures are rigid and not delocalized.)
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  21. 321.
    Of the five isomeric hexanes, the isomer which can give two monochlorinated compound is
    1. (1)n - hexane
    2. (2)2,3 - dimethylbutane
    3. (3)2,2 - dimethylbutane
    4. (4)2 - methylpentane
  22. 322.
    The major product (A) formed in the reaction given below is :
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  23. 323.
    Choose the correct set of reagents for the following conversion
    trans (Ph-CH=CH-) cis (Ph-CH=CH-)
    1. (1), alcKOH, ,Na()
    2. (2), alcKOH,, Lindlar Catalyst
    3. (3), aqKOH,,Lindlar Catalyst
    4. (4),aqKOH,,Na()
  24. 324.
    In the chemical reactions given above A and B respectively are:
    1. (1)and
    2. (2)and
    3. (3)and
    4. (4)and
  25. 325.
    2‐Bromopentane is heated with potassium ethoxide in ethanol. The major product obtained is
    1. (1)trans‐2‐pentene
    2. (2)1‐pentene
    3. (3)‐ethoxy pentane
    4. (4)2‐cis‐pentene.
  26. 326.
    In the following reaction

    The major product is
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  27. 327.
    Identify ' ' in the following reaction.
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  28. 328.
    In which of the following compounds, the C–Cl bond ionisation shall give most stable carbonium ion ?
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  29. 329.
    The major product formed in the following reaction is
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  30. 330.
    Which of the following reactions is appropriate for converting acetamide to methanamine ?
    1. (1)Carbylamine reaction
    2. (2)Hoffmann hypobromamide reaction
    3. (3)Stephens reaction
    4. (4)Gabriels phthalimide synthesis