1.

    Predict the major product formed when 1-methoxy-1-methylcyclohexane is treated with HI.

    A

    1-iodo-1-methylcyclohexane

    B

    1-methoxy-1-iodocyclohexane

    C

    1-methylcyclohexanol

    D

    1-methylcyclohexene

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Alcohols, Phenols And Ethers
    🎯Topic:Ethers
    🎓 Ncert Level:Application
    🎯Difficulty :Hard
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Ethers, Cleavage of Ethers, SN1 Reaction

    Related Questions

    1.

    Some time explosion occurs while distilling ethers. It is due to the presence of

    A

    Oxide

    B

    Ketones

    C

    Aldehyde

    D

    Peroxides

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Alcohols, Phenols And Ethers
    🎯Topic:Ethers
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :ether chemistry, peroxide formation, distillation safety

    2.

    In Williamson’s synthesis ethoxy ethane is prepared by

    A

    Passing ethanol over heated alumina

    B

    Heating sodium ethoxide with ethyl bromide

    C

    Treating ethyl alcohol with excess of H2SO4{{\rm{H}}_2}{\rm{S}}{{\rm{O}}_4} at 430-440 K

    D

    Heating ethanol with dry Ag2O{\rm{A}}{{\rm{g}}_2}{\rm{O}}

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Alcohols, Phenols And Ethers
    🎯Topic:Ethers
    🎓 Ncert Level:Understanding
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Williamson ether synthesis, nucleophilic substitution, reaction mechanism

    3.

    Which of the following compounds when heated with CO at 150∘C^ \circ C and 500 atm pressure in presence of BF3{\rm{B}}{{\rm{F}}_3} forms ethyl propionate?

    A

    C2H5OH{{\rm{C}}_2}{{\rm{H}}_5}{\rm{OH}}

    B

    CH3OCH3{\rm{C}}{{\rm{H}}_3}{\rm{OC}}{{\rm{H}}_3}

    C

    C2H5OC2H5{{\rm{C}}_2}{{\rm{H}}_5}{\rm{O}}{{\rm{C}}_2}{{\rm{H}}_5}

    D

    CH3OC2H5{\rm{C}}{{\rm{H}}_3}{\rm{O}}{{\rm{C}}_2}{{\rm{H}}_5}

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Alcohols, Phenols And Ethers
    🎯Topic:Ethers
    🎓 Ncert Level:Application
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Organic Chemistry, Reaction Mechanisms, Carbonylation, Ether Cleavage

    4.

    The functional group present in ethers is:

    A

    -OH

    B

    -COOH

    C

    -O-

    D

    -CHO

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Alcohols, Phenols And Ethers
    🎯Topic:Ethers
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :0.5 mins
    🔄Ncert Concepts :Ethers, Functional Groups

    5.

    Which of the following reactions does not yield an ether?

    A

    Williamson ether synthesis

    B

    Alkoxymercuration-demercuration

    C

    Dehydration of alcohols

    D

    Reaction of phenols with alkyl halides

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Alcohols, Phenols And Ethers
    🎯Topic:Ethers
    🎓 Ncert Level:Analyzing
    🎯Difficulty :Easy
    ⚡ Time Required :3 mins
    🔄Ncert Concepts :Williamson ether synthesis, reaction mechanisms, nucleophilic substitution, carbocation rearrangement, ether formation

    6.

    Which of the following is simple ether?

    A

    CH3-O-CH3

    B

    CH3-CH2-OH

    C

    CH3-COOH

    D

    CH3-CH2-CHO

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Alcohols, Phenols And Ethers
    🎯Topic:Ethers
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :ethers, nomenclature, simple ether

    7.

    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, functional groups

    8.

    Anisole is treated with excess HI. What is the major product formed?

    A

    Phenol and methyl iodide

    B

    Iodobenzene and methanol

    C

    Benzene and methanol

    D

    o-iodoanisole and water

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Alcohols, Phenols And Ethers
    🎯Topic:Ethers
    PYQ YEAR: 2020
    🎓 Ncert Level:Application
    🎯Difficulty :Easy
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Ether, Cleavage, Excess HI, Anisole, Phenol

    9.

    Some time explosion occurs while distilling ethers. It is due to the presence of

    A

    Oxide

    B

    Ketones

    C

    Aldehyde

    D

    Peroxides

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

    10.

    Which of the following ethers form peroxide readily?

    A

    Diphenyl ether

    B

    Diisopropyl ether

    C

    Anisole

    D

    Dibenzylether

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Alcohols, Phenols And Ethers
    🎯Topic:Ethers
    🎓 Ncert Level:Understanding
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :ether, peroxide formation, steric hindrance, radical stability

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