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Alcohols, Phenols and Ethers

Chemistry · Class 12 · All

ChemistryClass 12AllEasy
Q1/15
45s

Williamson Ether Synthesis is mainly used for the preparation of:

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All 15 questions in this quiz

  1. Which of the following conversions can be carried out using Williamson Ether Synthesis?

    1. C2H5ONa + CH3I -> CH3OC2H5 + NaI
    2. C2H5OH + H2SO4 -> CH3OC2H5
    3. CH3OH + NaOH -> CH3ONa
    4. C6H5OH + HCl -> C6H5Cl

  2. Which reagent is most suitable for distinguishing phenol from ethanol?

    1. Bromine water
    2. Sodium metal
    3. Dilute HCl
    4. Zinc dust

  3. Anisole on treatment with concentrated HI mainly forms:

    1. Phenol and methyl iodide
    2. Iodobenzene and methanol
    3. Benzene and iodine
    4. Phenol and methane

  4. Arrange the following compounds in increasing order of acidity: (I) Ethanol (II) Water (III) Phenol

    1. I < II < III
    2. III < II < I
    3. II < I < III
    4. I < III < II

  5. Which of the following compounds has the highest boiling point?

    1. Dimethyl ether (CH3OCH3)
    2. Ethane (C2H6)
    3. Ethanol (CH3CH2OH)
    4. Chloromethane (CH3Cl)

  6. Which of the following alcohols gives a ketone on oxidation with acidified potassium dichromate?

    1. Methanol
    2. Ethanol
    3. Propan-2-ol
    4. 2-Methylpropan-2-ol

  7. Diethyl ether reacts with excess HI on heating to produce:

    1. Ethanol only
    2. Ethyl iodide only
    3. Ethyl iodide and ethanol initially, followed by ethyl iodide and water
    4. Ethene only

  8. When phenol is treated with chloroform and aqueous sodium hydroxide followed by acidification, the major product formed is:

    1. Benzoic acid
    2. Salicylic acid
    3. Salicylaldehyde
    4. Benzaldehyde

  9. Kolbe's reaction is used for the preparation of:

    1. Salicylic acid
    2. Benzoic acid
    3. Benzaldehyde
    4. Anisole

  10. Which of the following compounds reacts with aqueous sodium hydroxide (NaOH)?

    1. Ethanol
    2. Methanol
    3. Phenol
    4. Diethyl ether

  11. Williamson Ether Synthesis is mainly used for the preparation of:

    1. Alcohols
    2. Aldehydes
    3. Ethers
    4. Ketones

  12. Phenol reacts with bromine water to produce:

    1. Bromobenzene
    2. Monobromophenol
    3. 2,4,6-Tribromophenol
    4. Bromocyclohexane

  13. The major product obtained when ethanol is heated with concentrated sulfuric acid at 443 K is:

    1. Diethyl ether
    2. Ethene
    3. Ethanal
    4. Acetic acid

  14. Which of the following compounds is more acidic?

    1. Ethanol
    2. Methanol
    3. Phenol
    4. Propan-2-ol

  15. Which of the following alcohols reacts most rapidly with Lucas reagent at room temperature?

    1. Ethanol
    2. Propan-1-ol
    3. Propan-2-ol
    4. 2-Methylpropan-2-ol