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JEE Main Chemistry · General Organic Chemistry · Set 22 (Q631-660)

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  1. 631.
    In which of the following compounds there is more than one kind of
    hybridization for carbon?
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  2. 632.
    Which one of the following pairs of isomers is an example of metamerism ?
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  3. 633.
    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)
  4. 634.
    The correct structure of 4-Bromo-3-methylbut-1-ene is :
    1. (1)Br – CH = C (CH3)2
    2. (2)CH2 = CH – CH(CH3) – CH2Br
    3. (3)CH2 = C(CH3)CH2CH2Br
    4. (4)CH3 – C(CH3) = CHCH2 – Br
  5. 635.
    The major product obtained on acid–catalysed hydration of 2-phenylpropene is
    1. (1)2-Phenylpropan-2-ol
    2. (2)2-Phenylpropan-1-ol
    3. (3)3-Phenylpropan-2-ol
    4. (4)1-Phenylpropan-1-ol
  6. 636.
    Which ofthe following species contains equal number of 0‐ and ‐bonds?
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  7. 637.
    The major organic compound formed by the reaction of 1,1,1- trichloroethane with silver powder is :
    1. (1)Acetylene
    2. (2)Ethene
    3. (3)2-Butyne
    4. (4)2-Butene
  8. 638.
    The IUPAC name of the compound shown below is
    1. (1)2-Bromo-6-chlorocyclohex-1-ene
    2. (2)6-Bromo-2-chlorocyclohexene
    3. (3)3-Bromo-1-chlorocyclohex-1-ene
    4. (4)1-Bromo-3-chlorocyclohexene
  9. 639.
    Which of the following is the correct IUPAC name of given organic compound (X)?
    1. (1)4-Bromo-3-methylbut-2-ene
    2. (2)1-Bromo-2-methylbut-2-ene
    3. (3)3-Bromo-3-methylprop-2-ene
    4. (4)2-Bromo-2-methylbut-2-ene
  10. 640.
    Names of some compounds are given. Which one is not in IUPAC system?
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  11. 641.
    Which branched chain isomer of the hydrocarbon with molecular mass 72u gives only one isomer of mono substituted alkyl halide ?
    1. (1)Tertiary butyl chloride
    2. (2)Neopentane
    3. (3)Isohexane
    4. (4)Neohexane
  12. 642.
    The increasing order of the acidity of the -hydrogen of the following compounds is
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  13. 643.
    The main product of the following reaction is, CH(OH)CH
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  14. 644.
    1-methyl-ethylene oxide when treated with an excess of HBr produces :
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  15. 645.
    Which of the following possesses a sp‐carbon in its structure?
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  16. 646.
    The product formed in the first step of the reaction of

    with excess is:
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  17. 647.
    Match List I with List II :

    Choose the correct answer from the options given below :
    1. (1)(A) - (IV), (B) - (III), (C) - (I), (D) - (II)
    2. (2)(A) - (I), (B) - (II), (C) - (IV), (D) - (III)
    3. (3)(A) - (III), (B) - (I), (C) - (II), (D) - (IV)
    4. (4)(A) - (II), (B) - (IV), (C) - (III), (D) - (I)
  18. 648.
    Ethanol when reacted with PCl5 gives A, POCl3 and HCl. A reacts with silver nitrite to form B ( major product) and AgCl. A and B respectively are :
    1. (1)C2H5 Cl and C2H5OC2 H5
    2. (2)C2H6 and C2H5OC2 H5
    3. (3)C2H5 Cl and C2H5NO2
    4. (4)C2H6 and C2H5NO2
  19. 649.
    The reaction of toluene with in presence of gives predominantly
    1. (1)o- and p-chlorotoluene
    2. (2)m-chlorotoluene
    3. (3)benzoylchloride
    4. (4)benzyl chloride
  20. 650.
    Among the following ethers, which one will produce methyl alcohol on treatment with hot concentrated HΙ ?
    1. (1)
    2. (2)
    3. (3)
    4. (4)CH3 – CH2 – CH2 – CH2 – O – CH3
  21. 651.
    The correct order of stability of given carbocationis:
    1. (1)A > C > B > D
    2. (2)D > B > C > A
    3. (3)D > B > A > C
    4. (4)C > A > D > B
  22. 652.
    Which one of the following substituents at para-position is most effective in stabilizing the phenoixde , ion?
    1. (1)–
    2. (2)–
    3. (3)–
    4. (4)–OH
  23. 653.
    The IUPAC name of the following compound is
    1. (1)trans‐2‐ch1oro‐3‐iodo‐2‐pentene
    2. (2)cis‐3‐iodo‐4‐chloro ‐pentane
    3. (3)trans‐3‐iodo‐4‐chloro ‐pentene
    4. (4)cis‐2‐chloro‐3‐iodo ‐pentene
  24. 654.
    The correct structure of 2,6-Dimethyl-dec-4-ene is:
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  25. 655.
    Which of the following molecule/species is most stable?
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  26. 656.
    What is the correct IUPAC name of the compound?
    ?
    1. (1)1-Ethylcyclopent-2-en-3-ol
    2. (2)4-Ethylcyclopent-2-en-1-ol
    3. (3)1-Ethyl-3-hydroxycyclopent-2-ene
    4. (4)4-Ethyl-1-hydroxycyclopent-2-ene
  27. 657.
    How many compounds among the following compounds show inductive, mesomeric as well as hyperconjugation effects?
  28. 658.
    The total number of structural isomers possible for the substituted benzene derivatives with the molecular formula is .
  29. 659.
    The maximum number of isomers (including stereoisomers) that are possible on monochlorination of the following compound, is
  30. 660.
    The number of acyclic structural isomers(including geometrical isomers) for pentene are