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Set 13 of 15 · Questions 361-390 of 435

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NEET Chemistry · Hydrocarbons · Set 13 (Q361-390)

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  1. 361.
    A compound 'A' on reaction with 'X' and 'Y' produces the same major product but different by product 'a' and 'b'. Oxidation of 'a' gives a substance produced by ants.

    'X' and 'Y' respectively are :
    1. (1)/ and dil. , 273 K
    2. (2),(dilute), 273 K and /
    3. (3)/ and , O/Zn
    4. (4), O/Zn and /
  2. 362.
    In the following sequence of reactions,

    The compounds B and C respectively are :
    1. (1)COOK,HCOOH
    2. (2)COOK,I
    3. (3)I, HCOOK
    4. (4),COOK
  3. 363.
    Which of the following is the most correct electron displacement for a nuclephilic reaction to take place ?
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  4. 364.
    For above chemical reactions, identify the correct statement from the following:
    1. (1)Both compound 'A' and compound 'B' are dicarboxylic acids
    2. (2)Both compound 'A' and compound 'B' are diols
    3. (3)Compound 'A' is diol and compound 'B' is dicarboxylic acid
    4. (4)Compound 'A' is dicarboxylic acid and compound 'B' is diol
  5. 365.
    Benzene reacts with CH3Cl in the presence of anhydrous AlCl3 to form :
    1. (1)Toluene
    2. (2)Chlorobenzene
    3. (3)Benzylchloride
    4. (4)Xylene
  6. 366.
    The product of the following reaction is
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  7. 367.
    The major product of the following reaction is:
    1. (1)2-Phenylhepta-2,5-diene
    2. (2)6-Phenylhepta-2,4-diene
    3. (3)6-Phenylhepta-3,5-diene
    4. (4)2-Phenylhepta-2,4-diene
  8. 368.
    Ethane on heating with a regulated supply of air at high pressure in presence of manganese acetate forms ' ', ' ' is
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  9. 369.
    When is treated with , the product formed is
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  10. 370.
    Find out the major products from the following reactions.
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  11. 371.
    The products formed in the following reaction is
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  12. 372.
    In the following reaction ' ' is an aromatic compound having substituents D&E. What are D&E?
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  13. 373.
    In a set of reactions, ethylbenzene yielded a product
    would be
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  14. 374.
    Two isomers 'A' and ' with molecular formula give different products on oxidation with in acidic medium. Isomer 'A' on reaction with / results in effervescence of a gas and gives ketone. The compound 'A' is
    1. (1)But-1 -ene
    2. (2)cis-But-2-ene
    3. (3)trans-But-2ene
    4. (4)2-methyl propene
  15. 375.
    Identify product and in the following reaction sequence.
    1. (1)[A] :
    2. (2)
    3. (3)
    4. (4)
  16. 376.
    Propyne was subjected to a reaction with dil. , which resulted in a product . The product was heated with to give the product . The molecular formula of the product is
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  17. 377.
    When acetylene is passed through dil. in the presence of , the compound formed is
    1. (1)acetic acid
    2. (2)ketone
    3. (3)ether
    4. (4)acetaldehyde
  18. 378.
    The alkane that gives only one monochloro product on chlorination with in precence of diffused sunlight is
    1. (1)2,2,-dimethylbutane
    2. (2)neopentane
    3. (3)n-pentane
    4. (4)Isopentane
  19. 379.
    Consider the given chemical reaction:

    Product " A " is :
    1. (1)picric acid
    2. (2)acetic acid
    3. (3)adipic acid
    4. (4)oxalic acid
  20. 380.
    A hydrocarbon 'X' with formula uses two moles of on catalytic hydrogcnation of its one mole. On ozonolysis, 'X' yields two moles of methane dicarbaldehyde. The hydrocarbon 'X' is :
    1. (1)hexa-1, 3, 5-triene
    2. (2)1-methylcyclopenta-l, 4-diene
    3. (3)cyclohexa-l,3-dicne
    4. (4)cyclohexa-1, 4-diene
  21. 381.
    The major product 'P' for the following sequence of reactions is:
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  22. 382.
    The stereoisomers that are formed by electrophilic addition of bromine to trans-but-2-ene is/are :
    1. (1)enantiomers and mesomers
    2. (2)identical mesomers
    3. (3)enantiomers
    4. (4)racemic and enantiomers
  23. 383.
    Benzene on nitration gives nitrobenzene in presence of and mixture, where :
    1. (1)both and act as a bases
    2. (2)acts as an acid and acts as a base
    3. (3)both and act as an acids
    4. (4)acts as a base and acts as an acid
  24. 384.
    The product formed in the following reaction sequence is:
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  25. 385.
    Identify major product formed in the following reaction.
    3-Bromo-2-methylpentane Major product
    1. (1)2-Methylpentan-3-ol
    2. (2)2-Methylpent-2-ene
    3. (3)4-Methylpent-3-ene
    4. (4)4-Methylpentan-3-ol
  26. 386.
    The major product in the following sequence of reactions as:
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  27. 387.
    The one giving maximum number of isomeric alkenes on dehydrohalogenation reaction is (excluding rearrangement)
    1. (1)l-Bromo-2-methylbutane
    2. (2)2-Bromopropane
    3. (3)2-Bromopentane
    4. (4)2-Bromo-3-dimethyIpentane
  28. 388.
    The aromatic compound/species with maximum number of -electrons is
    1. (1)Phenanthrene
    2. (2)Naphthalene
    3. (3)Cyclopentadienyl anion
    4. (4)Cycloheptatrienyl cation
  29. 389.
    Identify and and how are and related?
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  30. 390.
    The major products of the following reaction are
    1. (1)
    2. (2)
    3. (3)
    4. (4)