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Set 22 of 22 · Questions 631-650 of 650

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NEET Chemistry · General Organic Chemistry · Set 22 (Q631-650)

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  1. 631.
    The IUPAC name of the compound
    1. (1)5‐formylhex‐2‐en‐3‐one
    2. (2)5‐methyl‐4‐oxohex‐2‐en‐5‐al
    3. (3)3‐keto‐2‐methylhex‐5‐enal
    4. (4)3‐keto‐2‐methylhex‐4‐enal
  2. 632.
    Give IUPAC name of :
    1. (1)2–cyano–5–methyl hept–3–enal
    2. (2)2–formyl–5–methyl hept–3–enenitrile
    3. (3)2–oxo–5–methyl hept–3–ene–1–nitrile
    4. (4)1–cyano–1–formyl–4–methyl hex–2–ene
  3. 633.
    The IUPAC name of is
    1. (1)2-methyl-3-bromohexanal
    2. (2)3-bromo-2-methylbutanal
    3. (3)2-methyl-3-bromobutanal
    4. (4)3-bromo-2-methylpentanal.
  4. 634.
    Correct order of acidic strength
    1. (1)I > II > III
    2. (2)II > III > I
    3. (3)I > III > II
    4. (4)II >II > I
  5. 635.
    =CH– X, X is :
    1. (1)
    2. (2)
    3. (3)ON – – – – Cl
    4. (4)
  6. 636.
    The incorrect IUPAC name is
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  7. 637.
    The IUPAC name of is :
    1. (1)3, 4–dimethylpentanoyl chloride
    2. (2)1–chloro–1–oxo–2,3–dimethylpentane
    3. (3)2–ethyl–3–methylbutanoyl chloride
    4. (4)2, 3–dimethylpentanoyl chlorid
  8. 638.
    Highest enol content will be shown by :
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  9. 639.
    The IUPAC name of
    1. (1)2, 7-dimethyl-3,5-nonadiene
    2. (2)2,7-dimethyl-2-ethylheptadiene
    3. (3)2-methyl-7-ethyl-3, 5-octadiene
    4. (4)1, 1-dimethyl-6-ethyl-2, 4-heptadiene
  10. 640.
    Ethylester P. The product P will be
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  11. 641.
    The IUPAC name of the compound
    is
    1. (1)3, 3-dimethyl-1-hydroxycyclohexane
    2. (2)1, 1-dimethyl-3-hydroxycyclohexane
    3. (3)3, 3-dimethyl-1-cyclohexanol
    4. (4)1, 1-dimethyl-3-cyclohexanol
  12. 642.
    Correct order of Acidic strength :
    1. (1)iii > ii > i > iv
    2. (2)I > iii > ii > iv
    3. (3)iv > i > ii > iii
    4. (4)iii > iv > i > iii
  13. 643.
    The reaction.
    is called.
    1. (1)Williamson continuous etherification process
    2. (2)Etard reaction
    3. (3)Gatterman-Koch reaction
    4. (4)Williamson Synthesis
  14. 644.
    IUPAC name of isoprene is
    1. (1)1, 3-butadiene
    2. (2)2, 3-dimethylbutadiene
    3. (3)2-methyl-1, 3-butadiene
    4. (4)1,3-dimethybutadiene
  15. 645.
    The IUPAC name of the compound is
    1. (1)3, 3 - dimethyl - 1 - hydroxy cyclohexane
    2. (2)1, 1 - dimethyl - 3 -hydroxy cyclohexane
    3. (3)3, 3 - dimethyl - 1 - cyclohexanole
    4. (4)1, 1 - dimethyl - 3 - cyclohexanol
  16. 646.
    Aspirin is known as :
    1. (1)Acetyl salicylic acid
    2. (2)Phenyl salicylate
    3. (3)Acetyl salicylate
    4. (4)Methyl salicylic acid
  17. 647.
    IUPAC name of
    1. (1)1–Chloro–2–Methyl–4–nitro benzene
    2. (2)2–Chloro–1–Methyl–5–nitro benzene
    3. (3)1–Nitro–1–Methyl–4–nitro benzene
    4. (4)2–Methyl–1–Chloro–4–nitro benzene
  18. 648.
    The absolute configuration ofis
    1. (1)(2S, 3R)
    2. (2)(2S, 3S)
    3. (3)(2R, 3R)
    4. (4)(2R, 3S)
  19. 649.
    Write IUPAC name of following compound
    1. (1)4–Methoxy–6–Nitro cyclohexene
    2. (2)5–Methoxy–3–Nitro cyclohexene
    3. (3)3–Nitro–1–Methoxy cyclohex–4–ene
    4. (4)3–Nitro–5–Methoxy cyclohexene
  20. 650.
    is named in IUPAC as :
    1. (1)Methyl 3–chloro–2–butenoate
    2. (2)Methyl 4–chloro–2–pentanoate
    3. (3)Methoxy 3–chloro butanol
    4. (4)Methoxy 2–chloro butenone