1.

    Which alcohol would react fastest with HCl to form an alkyl chloride?

    A

    Primary alcohol

    B

    Secondary alcohol

    C

    Tertiary alcohol

    D

    All alcohols react at the same rate

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Alcohols, Phenols And Ethers
    🎯Topic:Alcohols
    🎓 Ncert Level:Application
    🎯Difficulty :Hard
    ⚡ Time Required :1.5 mins
    🔄Ncert Concepts :Alcohols, SN1 Reactions, Carbocations

    Related Questions

    1.

    Which of the following statement is incorrect?

    A

    Enzymes are in colloidal state

    B

    Enzymes are catalyst

    C

    Enzymes can catalyse any reaction

    D

    Urease is an enzyme

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Alcohols, Phenols And Ethers
    🎯Topic:Alcohols
    🎓 Ncert Level:Understanding
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Enzymes, Catalysis, Enzyme Specificity, Colloidal State

    2.

    In the fermentation of sugar molasses, the percentage of ethanol formed is:

    A

    10%10{\rm{ }}\%

    B

    40%40{\rm{ }}\%

    C

    95%95{\rm{ }}\%

    D

    70%70{\rm{ }}\%

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Alcohols, Phenols And Ethers
    🎯Topic:Alcohols
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Fermentation, Ethanol Production, Sugar Molasses

    3.

    Dehydration of alcohol is an example of which type of reaction?

    A

    Substitution

    B

    Elimination

    C

    Addition

    D

    Rearrangement

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

    4.

    The alcohol manufactured from water gas is

    A

    CH3OH{\rm{C}}{{\rm{H}}_3}{\rm{OH}}

    B

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

    C

    CH3CH2COOH{\rm{C}}{{\rm{H}}_3}{\rm{C}}{{\rm{H}}_2}{\rm{COOH}}

    D

    (CH3)2CHOH{\left( {{\rm{C}}{{\rm{H}}_3}} \right)_2}{\rm{CHOH}}

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Alcohols, Phenols And Ethers
    🎯Topic:Alcohols
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Water gas, Methanol synthesis, Chemical formulas

    5.

    Physical properties of:

    A

    Alcohols lie between alkanes and H2O{{\rm{H}}_2}{\rm{O}}

    B

    H2O{{\rm{H}}_2}{\rm{O}} lie between alcohols and alkenes

    C

    Alkenes lie between alcohols and H2O{{\rm{H}}_2}{\rm{O}}

    D

    None of the above

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Alcohols, Phenols And Ethers
    🎯Topic:Alcohols
    🎓 Ncert Level:Understanding
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :intermolecular forces, hydrogen bonding, polarity, physical properties

    6.

    Absolute alcohol contains:

    A

    40%  H2O40{\rm{\% \;}}{{\rm{H}}_2}{\rm{O}}

    B

    10%  H2O10{\rm{\% \;}}{{\rm{H}}_2}{\rm{O}}

    C

    5%  H2O5{\rm{\% \;}}{{\rm{H}}_2}{\rm{O}}

    D

    100%  C2H5OH100{\rm{\% \;}}{{\rm{C}}_2}{{\rm{H}}_5}{\rm{OH}}

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

    7.

    Alcohols are neutral in character whereas thio-alcohols are …..in character.

    A

    Strongly acidic

    B

    Weakly acidic

    C

    Basic

    D

    Neutral

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Alcohols, Phenols And Ethers
    🎯Topic:Alcohols
    🎓 Ncert Level:Understanding
    🎯Difficulty :Easy
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :acidity, functional groups, alcohols, thiols

    8.

    Fermentation of starch solution to ethyl alcohol does not require:

    A

    Diastase

    B

    Invertase

    C

    Maltase

    D

    Zymase

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Alcohols, Phenols And Ethers
    🎯Topic:Alcohols
    🎓 Ncert Level:Understanding
    🎯Difficulty :Easy
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Fermentation, Enzymes, Carbohydrate Metabolism

    9.

    An alcohol on alk. KMnO4  {\rm{KMn}}{{\rm{O}}_4}\; oxidation gives first acetone and on further oxidation acetic acid. It is:

    A

    Ethyl alcohol

    B

    Isopropyl alcohol

    C

    Primary alcohol

    D

    None of these

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Alcohols, Phenols And Ethers
    🎯Topic:Alcohols
    🎓 Ncert Level:Application
    🎯Difficulty :Easy
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :oxidation of alcohols, potassium permanganate, reaction mechanisms, functional groups

    10.

    Action of HNO2{\rm{HN}}{{\rm{O}}_2} on CH3NH2{\rm{C}}{{\rm{H}}_3}{\rm{N}}{{\rm{H}}_2} gives:

    A

    CH3OH{\rm{C}}{{\rm{H}}_3}{\rm{OH}}

    B

    CH3⋅O⋅CH3{\rm{C}}{{\rm{H}}_3} \cdot {\rm{O}} \cdot {\rm{C}}{{\rm{H}}_3}

    C

    CH3O{\rm{C}}{{\rm{H}}_3}{\rm{O}}—N{\rm{N}}=N{\rm{N}}

    D

    Both (2) and (3)

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Alcohols, Phenols And Ethers
    🎯Topic:Alcohols
    🎓 Ncert Level:Application
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Diazotization, Reaction of amines with nitrous acid, Formation of alcohol, Formation of diazonium salt

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