Back to General Organic Chemistry

Set 20 of 22 · Questions 571-600 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 20 (Q571-600)

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. 571.
    Which ofthe following species contains equal number of 0‐ and ‐bonds?
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  2. 572.
    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
  3. 573.
    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
  4. 574.
    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
  5. 575.
    Names of some compounds are given. Which one is not in IUPAC system?
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  6. 576.
    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
  7. 577.
    The increasing order of the acidity of the -hydrogen of the following compounds is
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  8. 578.
    The main product of the following reaction is, CH(OH)CH
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  9. 579.
    1-methyl-ethylene oxide when treated with an excess of HBr produces :
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  10. 580.
    Which of the following possesses a sp‐carbon in its structure?
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  11. 581.
    The product formed in the first step of the reaction of

    with excess is:
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  12. 582.
    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)
  13. 583.
    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
  14. 584.
    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
  15. 585.
    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
  16. 586.
    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
  17. 587.
    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
  18. 588.
    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
  19. 589.
    The correct structure of 2,6-Dimethyl-dec-4-ene is:
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  20. 590.
    Which of the following molecule/species is most stable?
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  21. 591.
    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
  22. 592.
    Which of the following compounds shows geometrical isomerism ?
    1. (1)2-methylpent-1-ene
    2. (2)4-methylpent-1-ene
    3. (3)2-methylpent-2-ene
    4. (4)4-methylpent-2-ene
  23. 593.
    The correct IUPAC name of the compound is :
    1. (1)4-Ethyl-3-propylhex-1-ene
    2. (2)3-Ethyl-4-ethenylheptane
    3. (3)3-Ethyl-4-propylhex-1-ene
    4. (4)3-(1-ethylpropyl)hex-1-ene
  24. 594.
    The IUPAC name of the following compound is :
    1. (1)1, 1-Dimethyl-2-ethylcyclohexane
    2. (2)2-Ethyl-1,1-dimethylcyclohexane
    3. (3)2, 2-Dimethyl-1-ethylcyclohexane
    4. (4)1-Ethyl-2,2-dimethylcyclohexane
  25. 595.
    The correct stability order of the following resonance structures of is
    1. (1)I II III
    2. (2)II III I
    3. (3)II I III
    4. (4)III II I
  26. 596.
    The correct decreasing order of densities of the following compounds is:
    1. (1)(D) > (C) > (B) > (A)
    2. (2)(C) > (D) > (A) > (B)
    3. (3)(C) > (B) > (A) > (D)
    4. (4)(A) > (B) > (C) > (D)
  27. 597.
    Phenyl magnesium bromide reacting with t-Butyl alcohol gives
    1. (1)Ph – OH
    2. (2)Ph – H
    3. (3)
    4. (4)
  28. 598.
    In which of the following pairs A is more stable than B ?
    1. (1)
    2. (2)
    3. (3)
    4. (4)Ph3C•, (CH3)C•
  29. 599.
    Resonance effect is not observed in
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  30. 600.
    Maximum enol content is in :
    1. (1)
    2. (2)
    3. (3)
    4. (4)