1.

    Which of the following ethers, upon treatment with excess HI and heat, will yield a mixture of three different alkyl iodides?

    A

    Diethyl ether

    B

    Diisopropyl ether

    C

    Ethyl isopropyl ether

    D

    Methyl tert-butyl ether

    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, Reaction with HI

    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.

    Ethers are generally:

    A

    More dense than water

    B

    Less dense than water

    C

    Insoluble in water

    D

    Highly reactive

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

    3.

    The general formula of ether is:

    A

    RR—CHO{\rm{CHO}}

    B

    RR—CO{\rm{CO}}—R′{R'}

    C

    RR—OO—R′{R'}

    D

    RR—COOR′COOR'

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

    4.

    The formula of phenoxy benzene is:

    A

    C6H5C6H5{{\rm{C}}_6}{{\rm{H}}_5}{{\rm{C}}_6}{{\rm{H}}_5}

    B

    C6H5−O−C6H5{{\rm{C}}_6}{{\rm{H}}_5} - {\rm{O}} - {{\rm{C}}_6}{{\rm{H}}_5}

    C

    C6H5−O−C6H6{{\rm{C}}_6}{{\rm{H}}_5} - {\rm{O}} - {{\rm{C}}_6}{{\rm{H}}_6}

    D

    None of these

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Alcohols, Phenols And Ethers
    🎯Topic:Ethers
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Organic Nomenclature, Ether Functional Group, Benzene Structure

    5.

    Ethers are relatively inert towards:

    A

    Bases

    B

    Acids

    C

    Oxidizing agents

    D

    Reducing agents

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Alcohols, Phenols And Ethers
    🎯Topic:Ethers
    🎓 Ncert Level:Understanding
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Ethers, Chemical Properties of Ethers

    6.

    In which case, methyl t-butyl ether is formed?

    A

    (C2H5)3CONa+CH3Cl{\left( {{{\rm{C}}_2}{{\rm{H}}_5}} \right)_3}{\rm{CONa}} + {\rm{C}}{{\rm{H}}_3}{\rm{Cl}}

    B

    (CH3)3CONa+CH3Cl{\left( {{\rm{C}}{{\rm{H}}_3}} \right)_3}{\rm{CONa}} + {\rm{C}}{{\rm{H}}_3}{\rm{Cl}}

    C

    (CH3)3CONa+C2H5Cl{\left( {{\rm{C}}{{\rm{H}}_3}} \right)_3}{\rm{CONa}} + {{\rm{C}}_2}{{\rm{H}}_5}{\rm{Cl}}

    D

    (CH3)2CHONa+CH3Cl{\left( {{\rm{C}}{{\rm{H}}_3}} \right)_2}{\rm{CHONa}} + {\rm{C}}{{\rm{H}}_3}{\rm{Cl}}

    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

    7.

    Ethers are made free from peroxide linkage on distilling impure sample with:

    A

    Conc. HNO3{\rm{HN}}{{\rm{O}}_3}

    B

    Conc. H2SO4{{\rm{H}}_2}{\rm{S}}{{\rm{O}}_4}

    C

    Conc. HCl{\rm{HCl}}

    D

    None of these

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Alcohols, Phenols And Ethers
    🎯Topic:Ethers
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Ethers, Peroxide formation, Chemical reactions, Sulfuric acid

    8.

    The boiling points of thio-ethers are…than those of ether.

    A

    Lesser

    B

    Equal

    C

    Higher

    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 :Intermolecular forces, Boiling point, Molecular structure

    9.

    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

    10.

    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

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