1.

    Which of the following reactions is NOT a suitable method for the preparation of anisole (methoxybenzene)?

    A

    Williamson ether synthesis using sodium phenoxide and methyl iodide

    B

    Reaction of phenol with diazomethane

    C

    Reaction of phenol with methyl iodide

    D

    Reaction of bromobenzene with sodium methoxide in the presence of CuI

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Alcohols, Phenols And Ethers
    🎯Topic:Ethers
    🎓 Ncert Level:Application
    🎯Difficulty :Hard
    ⚡ Time Required :1.5 mins
    🔄Ncert Concepts :Ethers, Preparation of Ethers, Williamson Synthesis, Anisole

    Related Questions

    1.

    To prepare an ether by Williamson’s synthesis, the reactants needed are

    A

    Ethyl alcohol and tert butyl alcohol

    B

    Sodium ethoxide and tert butyl bromide

    C

    Sodium tertiary butoxide and ethyl bromide

    D

    Sodium ethoxide and sodium tert butoxide

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Alcohols, Phenols And Ethers
    🎯Topic:Ethers
    🎓 Ncert Level:Application
    🎯Difficulty :Easy
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Williamson ether synthesis, nucleophilic substitution, alkoxides, alkyl halides

    2.

    Ethers are not distilled to dryness for fear of explosion. This is due to formation of:

    A

    Oxides

    B

    Alcohol

    C

    Ketones

    D

    Peroxides

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Alcohols, Phenols And Ethers
    🎯Topic:Ethers
    🎓 Ncert Level:Understanding
    🎯Difficulty :Easy
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :ether chemistry, peroxide formation, safety in chemistry

    3.

    For the preparation ter-butylmethylether by Williamson’s method the correct choice of reagents is:

    A

    Methoxide and ter-butylbromide

    B

    Methanol and 2-bromobutane

    C

    2-butanol and methylbromide

    D

    Ter-butoxide and methylbromide

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Alcohols, Phenols And Ethers
    🎯Topic:Ethers
    🎓 Ncert Level:Application
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Williamson ether synthesis, SN2 reaction, steric hindrance

    4.

    Which of the following reagents is used in the Williamson ether synthesis?

    A

    Sodium alkoxide and alkyl halide

    B

    Alcohol and alkyl halide

    C

    Sodium alkoxide and alcohol

    D

    Alkyl halide and alkyl halide

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Alcohols, Phenols And Ethers
    🎯Topic:Ethers
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Ethers, Williamson Ether Synthesis, SN2 Reaction

    5.

    The IUPAC name of CH3OCH(CH3)2{\rm{C}}{{\rm{H}}_3}{\rm{OCH}}{\left( {{\rm{C}}{{\rm{H}}_3}} \right)_2} is:

    A

    1-methoxy propane

    B

    3-methoxy propane

    C

    Methyl-isopropylether

    D

    2-methoxy propane

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Alcohols, Phenols And Ethers
    🎯Topic:Ethers
    🎓 Ncert Level:Application
    🎯Difficulty :Easy
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :IUPAC nomenclature, ethers, organic chemistry

    6.

    TertTert-butyl methyl ether on heating with anhydrous HI in ether gives

    A

    tert-butyl iodide and methanol

    B

    tert-butyl alcohol and methyl iodide

    C

    isobutylene and methyl iodide

    D

    tert-butyl iodide and water

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Alcohols, Phenols And Ethers
    🎯Topic:Ethers
    🎓 Ncert Level:Application
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Ethers, Reaction with HI, SN1, SN2, Carbocation Stability

    7.

    CH3−CH2−O−CH2−CH3{\rm{C}}{{\rm{H}}_3} - {\rm{C}}{{\rm{H}}_2} - {\rm{O}} - {\rm{C}}{{\rm{H}}_2} - {\rm{C}}{{\rm{H}}_3} reacts with hot and excess HI, then formed product is

    A

    CH3−CH2−I  and  CH3CH2OH{\rm{C}}{{\rm{H}}_3} - {\rm{C}}{{\rm{H}}_2} - {\rm{I\;and\;C}}{{\rm{H}}_3}{\rm{C}}{{\rm{H}}_2}{\rm{OH}}

    B

    CH3−CH2−OH{\rm{C}}{{\rm{H}}_3} - {\rm{C}}{{\rm{H}}_2} - {\rm{OH}}

    C

    CH3−CH2−I{\rm{C}}{{\rm{H}}_3} - {\rm{C}}{{\rm{H}}_2} - {\rm{I}}

    D

    None of the above

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Alcohols, Phenols And Ethers
    🎯Topic:Ethers
    🎓 Ncert Level:Application
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Ether cleavage, SN2 reaction, Reaction with HI

    8.

    Ethers are very good solvent for which type of compounds?

    A

    Lewis base

    B

    Acids

    C

    Lewis acid

    D

    None of these

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Alcohols, Phenols And Ethers
    🎯Topic:Ethers
    🎓 Ncert Level:Understanding
    🎯Difficulty :Easy
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Solvent properties, Lewis acids, Ethers

    9.

    HBr{\rm{HBr}} reacts withCH2{\rm{C}}{{\rm{H}}_2}=CH{\rm{CH}}—OCH3{\rm{OC}}{{\rm{H}}_3} under anhydrous conditions at room temperature to give:

    A

    CH3CHO{\rm{C}}{{\rm{H}}_3}{\rm{CHO}} and CCH3CHO{\rm{C}}{{\rm{H}}_3}{\rm{CHO}}

    B

    BrCH2CHO{\rm{BrC}}{{\rm{H}}_2}{\rm{CHO}} and CH3OH{\rm{C}}{{\rm{H}}_3}{\rm{OH}}

    C

    BrCH2{\rm{BrC}}{{\rm{H}}_2}—CH2{\rm{C}}{{\rm{H}}_2}—OCH3{\rm{OC}}{{\rm{H}}_3}

    D

    H3C{{\rm{H}}_3}{\rm{C}}—CHBr{\rm{CHBr}}—OCH3{\rm{OC}}{{\rm{H}}_3}

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Alcohols, Phenols And Ethers
    🎯Topic:Ethers
    🎓 Ncert Level:Application
    🎯Difficulty :Medium
    ⚡ Time Required :3 mins
    🔄Ncert Concepts :Electrophilic addition, Markovnikov's rule, reaction mechanism, regioselectivity

    10.

    Williamson’s synthesis is used for the preparation of

    A

    Acid

    B

    Ester

    C

    Ether

    D

    Alcohol

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Alcohols, Phenols And Ethers
    🎯Topic:Ethers
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Williamson Ether Synthesis, Organic Reactions

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