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Set 10 of 14 · Questions 271-300 of 406

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JEE Main Chemistry · Alcohols, Phenols & Ethers · Set 10 (Q271-300)

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  1. 271.
    Considering the above chemical reaction,identify the product :
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  2. 272.
    Consider the above reaction and identify the Product P:
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  3. 273.
    Which of the following is not the product of dehydration of
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  4. 274.
    What will be the major product when m-cresol is reacted with propargyl bromide in presence of in acetone?
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  5. 275.
    The major products A and B in the following set of reactions are :
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  6. 276.
    When vapours of a secondary alcohol is passed over heated copper at 573 , the product formed is
    1. (1)a carboxylic acid
    2. (2)an aldehyde
    3. (3)a ketone
    4. (4)an alkene
  7. 277.
    Products of the following reaction
    CH3C ≡ C. CH2CH3 ... are :
    1. (1)CH3CHO + CH3CH2CHO
    2. (2)CH3COOH + CH3COCH3
    3. (3)CH3COOH + HOOC.CH2CH3
    4. (4)CH3COOH + CO2
  8. 278.
    Oxidation of toluene to Benzaldehyde can be easily carried out with which of the following reagents?
    1. (1)/acetic acid,
    2. (2)/acetic anhydride,
    3. (3)/HCl,
    4. (4)CO/HC1, anhydrous
  9. 279.
    The formation of cyanohydrin from a ketone is an example of
    1. (1)nucleophilic addition
    2. (2)electrophilic substitution
    3. (3)nucleophilic substitution
    4. (4)electrophilic addition.
  10. 280.
    Among the following ethers, which one will produce methyl alcohol on treatment with hot concentrated ?.
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  11. 281.
    Identify the major product in the given sequence of reactions.
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  12. 282.
    A compound ' ' is insoluble in solution but dissolves in and gives a characteristic colour with neutral solution. When treated with bromine water compound ' ' forms the compound ' ' with the formula, . ' is
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  13. 283.
    Action of hydrogen iodide on anisole gives,
    1. (1)phenol and iodomethane
    2. (2)iodobenzene and methanol
    3. (3)phenol and methanol
    4. (4)iodobenzene and iodomethane.
  14. 284.
    The products formed in the reaction of cumene with followed by treatment with dil. HCl are :
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  15. 285.
    The major products formed :

    and respectively are:
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  16. 286.
    What is the product obtained when vapours of phenol are passed over heated zinc dust?
    1. (1)Cyclohexane
    2. (2)Benzene
    3. (3)Benzoic acid
    4. (4)Ethene
  17. 287.
    Identify and from the following
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  18. 288.
    What is the product of following reaction ?
    Hex-3-ynal ?
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  19. 289.
    Amongst the following, the major product of the given chemical reaction is
    Major Product
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  20. 290.
    The correct sequence of steps involved in the mechanism of Cannizzaro's reaction is
    1. (1)nucleophilic attack, transfer of and transfer of .
    2. (2)transfer of , transfer of and nucleophilic attack.
    3. (3)transfer of , nucleophilic attack and transfer of .
    4. (4)electrophilic attack by , transfer of and transfer of .
  21. 291.
    The product ' ' gives white precipitate when treated with bromine water. The product ' ' is treated with barium hydroxide to give the product ' '. The compound ' ' is heated strongly to form product ' '. 'The product ' ' is
    1. (1)4-methylpent-3-en-2-one
    2. (2)but-2-enal
    3. (3)3-methylpent-3-en-2-one
    4. (4)2-methylbut-2-enal.
  22. 292.
    In the reaction, the product is
    1. (1)alkyl chloride
    2. (2)aldehyde
    3. (3)carboxylic acid
    4. (4)ketone.
  23. 293.
    The maior product in the following reactions is

    1. (1)
    2. (2)
    3. (3)
    4. (4)
  24. 294.
    The reaction involved in the oil of winter green test is
    Salicylic acid Product
    The product is treated with solution. The missing reagent in the above reaction is
    1. (1)NaOH
    2. (2)ethanol
    3. (3)methanol
    4. (4)phenol.
  25. 295.
    Identify A in the given reaction
    ‘A’ (Major Product)
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  26. 296.
    When 3,3‐dimethyl‐2‐butanol is heated with , the maior product obtained is
    1. (1)2,3‐dimethyl‐2‐butene
    2. (2) and trans isomers of 2,3‐dimethyl‐ 2‐butene
    3. (3)2,3‐dimethyl‐l‐butene
    4. (4)3,3‐dimethyl‐1‐butene.
  27. 297.
    Major products and formed in the following reaction sequence, are [NEET 2024]
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  28. 298.
    The major product of the following reaction, if it occurs by 2 mechanism is :
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  29. 299.
    Identify the major product A and B for the below given reaction sequence.
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  30. 300.
    In the given reaction

    the number of hybridised carbon (s) in compound ‘X’ is_____