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NEET Chemistry · Alcohols, Phenols & Ethers · Set 5 (Q121-150)

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  1. 121.
    Compound , is found to react with NaOI (produced by reacting with NaOH)
    and yields a yellow precipitate with characteristic smell. and are respectively. [NEET 2018]
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  2. 122.
    Suitable reaction condition for preparation of Methyl phenyl ether is
    1. (1)
    2. (2)Benzene, MeBr
    3. (3)Ph – Br,
    4. (4), MeBr
  3. 123.
    Product [X] formed in the above reaction is:
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  4. 124.
    The carbonyl compound that does not undergo aldol condensation is
    1. (1)dichloroacetaldehyde
    2. (2)trichloroacetaldehyde
    3. (3)acetaldehyde
    4. (4)acetone.
  5. 125.
    What is the product obtained in Reimer-Tiemann reaction?
    1. (1)Salicylaldehyde
    2. (2)2, 4, 6-trinitrophenol
    3. (3)Salicylic acid
    4. (4)Aniline
  6. 126.
    Identify the major product of the following reaction.
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  7. 127.
    Given are cyclohexanol (I), acetic acid (II), 2,4,6‐trinitrophenol (III) and phenol (IV). In these the order of decreasing acidic character will be
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  8. 128.
    The bond angle of bond in methoxy methane is
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  9. 129.
    Reaction of which among the following ethers with in cold leads to the formation of methyl alcohol?
    1. (1)Ethyl methyl ether
    2. (2)Methyl propyl ether
    3. (3)Isopropyl methyl ether
    4. (4)tert-Butyl methyl ether
  10. 130.
    The given reaction can occur in the presence of :
    (A) Bromine water (B) in
    (C) (D) in

    Choose the correct answer from the options given below:
    1. (1)(B) and (D) only
    2. (2)(A) and (C) only
    3. (3)(B), (C) and (D) only
    4. (4)(A), (B) and (D) only
  11. 131.
    Which of the following gives an aldehyde on dry distillation?
    1. (1)Calcium formate + calcium acetate
    2. (2)Calcium acetate + calcium benzoate
    3. (3)Calcium acetate
    4. (4)Calcium benzoate
  12. 132.
    The order of reactivity of the following compounds towards the esterification with acetic acid is
    1. (1)I II III IV
    2. (2)IV III II I
    3. (3)I IV II III
    4. (4)I IV III II
  13. 133.
    Among the following the appropriate reactants for the preparation of 1 - ethyl cyclohexanol are
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  14. 134.
    Identify the products and reaction mechanism of the following reaction?
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  15. 135.
    Which of the following compounds will provide a tertiary alcohol on reaction with excess of followed by hydrolysis?
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  16. 136.
    Phenol can be distinguished from ethanol by the reagent
    1. (1)bromine water
    2. (2)sodium metal
    3. (3)iron metal
    4. (4)chlorine water.
  17. 137.
    Which of the following is a secondary allylic alcohol?
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  18. 138.
    Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
    Assertion (A): Treatment of bromine water with propene yields 1- bromopropan -2-ol.
    Reason (R): Attack of water on bromonium ion follows Markovnikov rule and results in 1- bromopropan -2-ol.
    choose the answer from the options given below :
    1. (1)Both (A) and (R) are true but (R) is NOT the correct explanation of (A).
    2. (2)(A) is false but (R) is true.
    3. (3)Both (A) and (R) are true and (R) is the correct explanation of (A).
    4. (4)(A) is true but (R) is false.
  19. 139.
    Anisole can be prepared by the action of methyl iodide on sodium phenate. The reaction is called
    1. (1)Fittig reaction
    2. (2)Etard reaction
    3. (3)Wurtz reaction
    4. (4)Williamson reaction.
  20. 140.
    The products formed during the following reaction are
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  21. 141.
    The acid strength of active methylene group in
    (i)
    (ii)
    (iii) decreases as
    1. (1)i iii ii
    2. (2)i ii iii
    3. (3)ii i iii
    4. (4)iii i ii
  22. 142.
    The compound on treatment with Na gives , and with gives . and react together to give diethyl ether. and are in the order [NEET 2018]
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  23. 143.
    The correct order of boiling points of following compounds is
    1. (1)I II III
    2. (2)II I III
    3. (3)III II I
    4. (4)II III I
  24. 144.
    The reagents and respectively are
    1. (1)
    2. (2), alk.
    3. (3)
    4. (4), alk.
  25. 145.
    The major products and formed in the following reactions respectively are [NEET
    2019]
    1. (1) and
    2. (2) and
    3. (3) and
    4. (4) and
  26. 146.
    The heating of phenyl-methyl ethers with HI produces. [NEET 2017]
    1. (1)ethyl chlorides
    2. (2)iodobenzene
    3. (3)phenol
    4. (4)benzene
  27. 147.
    Which one of the following compounds is resistant to nucleophilic attack by hydroxyl ions?
    1. (1)Diethyl ether
    2. (2)Acetonitrile
    3. (3)Acetamide
    4. (4)Methyl acetate
  28. 148.
    An organic compound (molecular formula ) was hydrolysed with dil. to give a carboxylic acid and an alcohol . gives white turbidity immediately when treated with anhydrou and conc. . The organic compound is
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  29. 149.
    The major product of the following reaction is
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  30. 150.
    Reaction of phenol with chloroform in the presence of dilute sodium hydroxide finally
    introduces, which one of the following functional group?
    1. (1)
    2. (2)
    3. (3)
    4. (4)