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Set 12 of 15 · Questions 331-360 of 435

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NEET Chemistry · Hydrocarbons · Set 12 (Q331-360)

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  1. 331.
    In the reaction with , an alkene reacts in accordance with the
    Markovnikov’s rule to give a product l‐chloro‐l‐methylcyclohexane. The possible alkene is
    1. (1)
    2. (2)
    3. (3)(A) and (B)
    4. (4)
  2. 332.
    In the reaction the compound (A) is known as :
    C6H5CHO + C6H5NH2 C6H5N = CHC6H5 + H2O
    (A)
    1. (1)Aldol
    2. (2)Schiff base
    3. (3)Schiff reagent
    4. (4)Benedict's reagent
  3. 333.
    What is the major product formed by HI on reaction with ?
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  4. 334.
    The final major product of the following reaction is
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  5. 335.
    What will be the major product of following sequence of reactions?
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  6. 336.
    In the following reaction sequence,

    the major product B is :
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  7. 337.
    Phenol on treatment with in the presence of NaOH followed by acidification produces compound X as the major product. X on treatment with O in the presence of catalytic amount of produces :
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  8. 338.
    consider the above reaction, and choose the correct statement:
    1. (1)The reaction is not possible in acidic medium
    2. (2)Both compounds A and B are formed equally
    3. (3)Compound A will be the major product
    4. (4)Compound B will be the major product
  9. 339.
    A given nitrogen-containing aromatic compound A reacts with Sn/HCl, followed by HNO2 to give an unstable compound B. B, on treatment with phenol, forms a beautiful coloured compound C with the molecular formula C12H10N2O. The structure of compound A is :
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  10. 340.
    Nitrobenzene on reaction with conc. HNO3 /H2SO4 at 80 – 100ºC forms which one of the following products ?
    1. (1)1, 3– Dinitrobenzene
    2. (2)1, 4– Dinitrobenzene
    3. (3)1, 2, 4– Trinitobenzene
    4. (4)1, 2– Dinitrobenzene
  11. 341.
    The correct sequence of correct reagents for the following transformation is :-
    1. (1)(i) Fe, HCl (ii) , (iii) (iv)
    2. (2)(i) Fe, HCl (ii) (iii) (iv)
    3. (3)(i) (ii) Fe, HCl (iii) (iv)
    4. (4)(i) (ii) (iii) Fe, HCl (iv)
  12. 342.
    Which of the compound with molecular formula yields acetone on ozonolysis?
    1. (1)3‐Methyl ‐butene
    2. (2)Cyclopentane
    3. (3)2‐Methyl‐l‐butene
    4. (4)2‐Methyl‐2‐butene
  13. 343.
    An alkene on ozonolysis gives methanal as one of the product. Its structure is :
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  14. 344.
    Identify and in the given chemical reaction sequence :
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  15. 345.
    What are in the following reaction sequence?

    1. (1)
    2. (2)
    3. (3)
    4. (4) Anhydrous
  16. 346.
    The major aromatic product in the following reaction sequence will be
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  17. 347.
    Amongst the compounds given, the one that would form a brilliant colored dye on treatment with in dilute HCl followed by addition to an alkaline solution of β-naphthol is
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  18. 348.
    Major product of the following reaction is
    1. (1)
    2. (2)
    3. (3)
    4. (4)None of these
  19. 349.
    An unsaturated hydrocarbon absorbs two hydrogen molecules on catalytic hydrogenation, and also gives following reaction
    -oxo-hexanedicarboxylic acid) will be :
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  20. 350.
    Oxidation of cyclohexene in presence of acidic potassium permaganate leads to
    1. (1)glutaric acid
    2. (2)adipic acid
    3. (3)pimelic acid
    4. (4)succinic acid
  21. 351.
    For the given reaction:
    ‘A’ (major product)
    What is ‘A’ ?
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  22. 352.
    Identify ' ' in the following sequence of reactions :
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  23. 353.
    The major product obtained on the monobromination (with Br2 / FeBr3) of the following compound A is :
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  24. 354.
    Which compound would give 3-methyl-6- oxoheptanal upon ozonolysis?
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  25. 355.
    How many electrons are present in naphthalene to decide its aromaticity?
    1. (1)6
    2. (2)7
    3. (3)8
    4. (4)10
  26. 356.
    Which of the following compounds shall not produce propene by reaction
    with HBr followed by elimination or direct only elimination reaction?
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  27. 357.
    Major product ‘B’ of the following reaction sequence is:
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  28. 358.
    Which among the following halides will generate the most stable carbocation in the nucleophilic substitution reaction?
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  29. 359.
    Which one of the following is a free‐radical substitution reaction?
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  30. 360.
    On heating an aliphatic primary amine with chloroform and ethanolic potassium hydroxide, the organic compound formed is :
    1. (1)an alkanol
    2. (2)an alkanediol
    3. (3)an alkyl cyanide
    4. (4)an alkyl isocyanide