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Set 21 of 22 · Questions 601-630 of 650

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NEET Chemistry · General Organic Chemistry · Set 21 (Q601-630)

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  1. 601.
    Rectified spirit is a mixture of
    1. (1)5% ethyl alcohol + 95% water
    2. (2)94% ethyl alcohol + 6% water
    3. (3)94.4% methyl alcohol + 5.6% water
    4. (4)95.6% ethyl alcohol + 4.4% water
  2. 602.
    Among the following L–serine is : -
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  3. 603.
    Geometrical isomerism is shown by
    1. (1)
    2. (2)
    3. (3)
    4. (4)none of these.
  4. 604.
    Which of the following compounds has wrong IUPAC name:
    1. (1) → Ethyl butanoate
    2. (2) → 3-Methylbutanal
    3. (3) → 2-Methyl-3-butanol
    4. (4) → 2-Methyl-3-pentanone
  5. 605.
    Which of the following are aromatic?
    1. (1)A and C only
    2. (2)B and D only
    3. (3)C and D only
    4. (4)A and B only
  6. 606.
    Write IUPAC name of following
    1. (1)2-chloro-1-methoxy-4-nitrobenzene
    2. (2)2-chloro-4-nitro anisole
    3. (3)3-chloro-4-methoxy-1-nitrobenzene
    4. (4)1-chloro-2-methoxy-5-nitrobenzene
  7. 607.
    Major product of following reaction:
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  8. 608.
    IUPAC name of is
    1. (1)4-hydroxy-1-methyl pentanoic acid
    2. (2)4-hydroxy-2-methyl pentanoic acid
    3. (3)2-hydroxy-4-methyl pentanoic acid
    4. (4)2-hydroxy-2-methyl pentanoic acid.
  9. 609.
    The correct IUPAC name for the compound
    1. (1)4‐ethyl‐3‐propylhex‐1‐ene
    2. (2)3‐ethyl ‐ethenylheptane
    3. (3)3‐ethyl‐4‐propylhex‐5‐ene
    4. (4)3‐(1‐ethylpropyl)hex‐1‐ene.
  10. 610.
    The IUPAC name of is :
    1. (1)5, 5-Diethyl -4, 4-dimethylpentane
    2. (2)3-Ethyl-4,4-dimethylheptane
    3. (3)1, 1-Diethyl-2, 2-dimethylpentane
    4. (4)4, 4-Dimethyl-5, 5-diethylpentane
  11. 611.
    IUPAC name of following compound is
    1. (1)2-Aminopentanenitrile
    2. (2)2-Aminobutanenitrile
    3. (3)3-Aminobutanenitrile
    4. (4)3-Aminopropanenitrile
  12. 612.
    The IUPAC name of
    1. (1)‐hydroxy‐l‐methylpentanal
    2. (2)4‐hydroxy‐2‐methylpent‐2‐en‐lal
    3. (3)2‐hydroxy‐4‐methylpent‐3‐en‐5‐al
    4. (4)2‐hydroxy‐3‐methylpent‐2‐en‐5‐al
  13. 613.
    The IUPAC name of neopentane is :
    1. (1)2, 2-dimethylpropane
    2. (2)2-methylpropane
    3. (3)2, 2-dimethylbutane
    4. (4)2-methylbutane
  14. 614.
    :
    1. (1)Resonating structures
    2. (2)Tautomers
    3. (3)Geometrical isomers
    4. (4)Optical isomers
  15. 615.
    IUPAC name of CH2=CH–CH2–CH2–C≡CH is :
    1. (1)1, 4-Hexenyne
    2. (2)1-Hexen-5-yne
    3. (3)1-Hexyn-5-ene
    4. (4)1, 4-Hexyene
  16. 616.
    Structure of 4-Methylpent-2-enal is
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  17. 617.
    Correct order of Basic strength
    1. (1)I > II > III > IV
    2. (2)II > III > I >IV
    3. (3)III > II > I > IV
    4. (4)IV > I > II > III
  18. 618.
    Name of the compound given below is
    1. (1)3-Methyl-4-ethyloctane
    2. (2)2,3-Diethylheptane
    3. (3)5-Ethyl-6-methyloctane
    4. (4)4-Ethyl-3-methyloctane
  19. 619.
    Which of the following is most stable?
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  20. 620.
    The IUPAC name of is
    1. (1)4-hydroxy-2-pentanone
    2. (2)2-hydroxy-4-pentanone
    3. (3)2-oxo-4-pentanol
    4. (4)4-keto-2-pentanol.
  21. 621.
    The IUPAC nomenclature of
    1. (1)2-Cyclopentylpropane
    2. (2)1,1-dimethyl-1-cyclopentylmethane
    3. (3)1-(1-methyl ethyl) cyclopentane
    4. (4)None of the above
  22. 622.
    Aspirin is known as :
    1. (1)Acetyl salicylic acid
    2. (2)Phenyl salicylate
    3. (3)Acetyl salicylate
    4. (4)Methyl salicylic acid
  23. 623.
    What is IUPAC name of following?
    1. (1)4-Bromo-2-phenylpent-2-ene
    2. (2)2-Bromo-4-phenylpent-2-ene
    3. (3)4-Bromo-2-phenylpent-4-ene
    4. (4)2-Bromo-4-phenylpent-3-ene
  24. 624.
    Give IUPAC Name
    1. (1)5-Hydroxy cyclohex-3-en-1-one
    2. (2)3-Hydroxy cyclohex-5-en-1-one
    3. (3)8-Hydroxy cyclohex-3-en-1-one
    4. (4)7-Hydroxy cyclohex-5-en-1-one
  25. 625.
    IUPAC name of is
    1. (1)5-methoxycyclohexene
    2. (2)methoxycyclohex-3-ene
    3. (3)methoxycyclohex-4-ene
    4. (4)4-methoxycycohexene
  26. 626.
    IUPAC name of the compound,
    1. (1)1-bromobut-2-ene
    2. (2)2-bromo-2-butene
    3. (3)bromobutene
    4. (4)1-bromobut-3-ene.
  27. 627.
    The IUPAC name for is
    1. (1)1-carboxybutan-3-one
    2. (2)4-oxopentanoic acid
    3. (3)1-hydroxypentane-1,4-dione
    4. (4)1,4-dioxopentanol
  28. 628.
    Find product of given reaction :
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  29. 629.
    The IUPAC name of the compound is
    1. (1)3–keto–2–methylhex–4–enal
    2. (2)5–formylhex–2–en–3–one
    3. (3)5–methyl–4–oxohex–2–en–5–al
    4. (4)3–keto–2–methylhex–5–enal
  30. 630.
    The IUPAC name of is :
    1. (1)5,5-Diethyl-4,4-dimethylpentane
    2. (2)3-Ethyl-4,4-dimethylheptane
    3. (3)1,1-Diethyl-2,2-dimethylpentane
    4. (4)4,4-Dimethyl-5, 5-diethylpentane