Back to General Organic Chemistry

Set 13 of 22 · Questions 361-390 of 650

In the print window choose “Save as PDF”. The file prints without a web address or date line.

Mere Teacher

Mere Teacher · Previous Year Questions

NEET Chemistry · General Organic Chemistry · Set 13 (Q361-390)

QR code to mereteacher.com

Scan or visit mereteacher.com for free PYQ practice, timed CBT tests, step-by-step solutions and BroBot AI. Answers and solutions are free with a sign-up.

  1. 361.
    The correct order of acid strength of the following compounds:
    (A) Phenol (B) p-Cresol
    (C) m-Nitrophenol (D) p-Nitrophenol is :
    1. (1)D > C > A > B
    2. (2)B > D > A > C
    3. (3)A > B > D > C
    4. (4)C > B > A > D
  2. 362.
    How many chiral compounds are possible on monochlorination of 2-methylbutane
    1. (1)8
    2. (2)2
    3. (3)4
    4. (4)6
  3. 363.
    Arrange the following in decreasing acidic strength.
    1. (1)A>B>C>D
    2. (2)B>A>C>D
    3. (3)D>C>A>B
    4. (4)D > C> B > A
  4. 364.
    The enolic form of ethyl acetoacetate as below has :
    1. (1)16 sigma bonds and 1 pi- bond
    2. (2)9 sigma bonds and 2 pi- bond
    3. (3)9 sigma bonds and 1 pi- bond
    4. (4)18 sigma bonds and 2 pi- bond
  5. 365.
    The IUPAC name of the following compound is:
    1. (1)Methyl-6-carboxy-2,5-dimethylhexanoate.
    2. (2)2-Carboxy-5-methoxycarbonylhexane.
    3. (3)6-Methoxycarbonyl-2,5-dimethylhexanoic acid.
    4. (4)Methyl-5-carboxy-2-methylhexanoate.
  6. 366.
    Which of the following compounds will most readily be dehydrated to give alkene under acidic condition?
    1. (1)4-Hydroxypentan-2-one
    2. (2)3-Hydroxypentan-2-one
    3. (3)1-Pentanol
    4. (4)2-Hydroxycyclopentanone
  7. 367.
    In 2 reactions, the correct order of reactivity for the following compounds: Cl, Cl, CHCl and CCl is :
    1. (1)Cl > CHCl > Cl > CCl
    2. (2)Cl > Cl > CHCl > CCl
    3. (3)Cl > Cl > CHCl > CCl
    4. (4)CHCl > Cl > Cl > CCl
  8. 368.
    Increasing order of stability among the three main conformations (i.e. eclipse, anti, gauche) of 2-fluoroethanol is
    1. (1)eclipse, gauche, anti
    2. (2)gauche, eclipse, anti
    3. (3)eclipse, anti, gauche
    4. (4)anti, gauche, esclipse
  9. 369.
    CH3 – CHCI – CH2 – CH3 has a chiral centre which one of the following represents its R configuration :
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  10. 370.
    Which of the following compounds will show the maximum 'enol' content?
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  11. 371.
    Which of the following structures are aromatic in nature?
    1. (1)A,B,C and D
    2. (2)Only A and B
    3. (3)Only A and C
    4. (4)Only B,C and D
  12. 372.
    Among the following the reaction that produce through an electrophilic substitution is :
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  13. 373.
    Correct structure of -methylcyclohexane carbaldehyde is :
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  14. 374.
    Among the given species the Resonance stabilised carbocations are:
    1. (1)(C) and (D) only
    2. (2)(A), (B) and (D) only
    3. (3)(A) and (B) only
    4. (4)C only
  15. 375.
    The IUPAC name of the following compound is
    1. (1)2-hydroxy-5-oxoethylcyclohexane
    2. (2)2-ethyl-4-oxocyclohexanol
    3. (3)3-ethyl-4-hydroxycyclohexanone
    4. (4)6-hydroxy-3-oxoethylcyclohexane
  16. 376.
    The "N" which does not contribute to the basicity for the compound is :
    1. (1)N 7
    2. (2)N 1
    3. (3)N 9
    4. (4)N 3
  17. 377.
    Name of some compounds are given. Which one is not in IUPAC system ?
    1. (1)3–Methyl–4–ethyl heptane
    2. (2)3–Methyl–2–butanol
    3. (3)2–Ethyl–3–methyl–but–1–ene
    4. (4)4–Methyl–2–pentyne
  18. 378.
    The general molecular formula, which represents the homologous series of
    alkanols is
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  19. 379.
    Which one of the following compounds possesses the most acidic hydrogen?
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  20. 380.
    The correct nomenclature for the following compound is :
    1. (1)2-formyl-4-hydroxyhept-7-enoic acid
    2. (2)2-formyl-4-hydroxyhept-6-enoic acid
    3. (3)2-carboxy-4-hydroxyhept-7-enal
    4. (4)2-carboxy-4-hydroxyhept-6-enal
  21. 381.
    Which one among the following resonating structures is not correct?
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  22. 382.
    The correct IUPAC name of the following compound is:
    1. (1)6-bromo-4-méthyl-2-chlorohexan-4-ol
    2. (2)1-bromo-5-chloro-4-methylhexan-3-ol
    3. (3)6-bromo-2-chloro-4-methylhexan-4-ol
    4. (4)1-bromo-4-methyl-5-chlorohexan-3-ol
  23. 383.
    Compound that will give positive Lassaigne's test for both nitrogen and halogen is
    1. (1).HCl
    2. (2). HCl
    3. (3)Cl
    4. (4)OH.HCl
  24. 384.
    Which of the following reactions will not produce a racemic product?
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  25. 385.
    The name for the following compound is
    1. (1) acid
    2. (2)2,5 -dimethyl-6-carboxy-hexenal
    3. (3)2,5- dimethyl carboxy-hex enal
    4. (4)2, 5-dimethyl-6-oxo-hexenoic acid
  26. 386.
    Acetyl bromide reacts with excess of MgI followed by treatment with a saturated solution of Cl gives
    1. (1)Acetone
    2. (2)Acetamide
    3. (3)2-Methyl-2-propanol
    4. (4)Acetyl iodide
  27. 387.
    The shortest C-C bond distance is found in
    1. (1)diamond
    2. (2)ethane
    3. (3)benzene
    4. (4)acetylene.
  28. 388.
    The IUPAC name for tertiary butyl iodide is -
    1. (1)4-iodobutane
    2. (2)2-iodobutane
    3. (3)1-iodo-3-methyl propane
    4. (4)2-iodo-2-methyl propane
  29. 389.
    The functional group that shows negative resonance effect is:
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  30. 390.
    The set of meta directing functional groups from the following sets is:
    1. (1)
    2. (2)
    3. (3)
    4. (4)