1.

    If a negatively charged AgIAgI sol is formed by mixing AgNO3AgNO_3 and KIKI, which ion is preferentially adsorbed?

    A

    Ag+Ag^+

    B

    K+K^+

    C

    NO3−NO_3^−

    D

    I−I^−

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Surface Chemistry
    🎯Topic:Colloidal State
    PYQ YEAR: 2019
    🎓 Ncert Level:Understanding
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Surface Chemistry, Colloids

    Related Questions

    1.

    If dispersion medium is water, the colloidal system is called :

    A

    Sol

    B

    Aerosol

    C

    Organosol

    D

    Aquasol

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Surface Chemistry
    🎯Topic:Colloidal State
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :colloidal systems, dispersion medium, classification of colloids

    2.

    Which of the following electrolytes is least effective in coagulation ferric hydroxide solution?

    A

    KBr{\rm{KBr}}

    B

    K2SO4{{\rm{K}}_2}{\rm{S}}{{\rm{O}}_4}

    C

    K2CrO4{{\rm{K}}_2}{\rm{Cr}}{{\rm{O}}_4}

    D

    K4[Fe(CN)6]{{\rm{K}}_4}\left[ {{\rm{Fe}}{{\left( {{\rm{CN}}} \right)}_6}} \right]

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Surface Chemistry
    🎯Topic:Colloidal State
    🎓 Ncert Level:Application
    🎯Difficulty :Easy
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Coagulation, Hardy-Schulze rule, Electrolytes

    3.

    The formation of colloid from suspension is

    A

    Peptisation

    B

    Condensation

    C

    Sedimentation

    D

    Fragmentation

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Surface Chemistry
    🎯Topic:Colloidal State
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Colloids, Suspensions, Peptisation

    4.

    Which is not a colloidal solution of gas in liquid?

    A

    Froths

    B

    Foams with tiny bubbles

    C

    Mist

    D

    Whipped cream

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Surface Chemistry
    🎯Topic:Colloidal State
    🎓 Ncert Level:Understanding
    🎯Difficulty :Easy
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Colloidal Solutions, States of Matter, Gas in Liquid Colloids

    5.

    Lyophilic sols are

    A

    Irreversible sols

    B

    They are prepared from inorganic compounds

    C

    Coagulated by adding electrolytes

    D

    Self-stabilising

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Surface Chemistry
    🎯Topic:Colloidal State
    🎓 Ncert Level:Understanding
    🎯Difficulty :Easy
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Lyophilic sols, colloidal solutions, stability of colloids

    6.

    The volume of colloidal particles Vc{{V_c}} as compared to the volume of solute particles in true solution Vs{{V_s}} could be :

    A

    ∼1 \sim 1

    B

    ∼103 \sim {10^3}

    C

    ∼102 \sim {10^2}

    D

    ∼10−3 \sim {10^{ - 3}}

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Surface Chemistry
    🎯Topic:Colloidal State
    🎓 Ncert Level:Understanding
    🎯Difficulty :Easy
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Colloids, True solutions, Particle size

    7.

    The Colloidal system consisting of a liquid adsorbate in a solid adsorbent is termed as

    A

    Aerosol

    B

    foam

    C

    emulsion

    D

    gel

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Surface Chemistry
    🎯Topic:Colloidal State
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Colloidal Systems, Adsorption, Classification of Colloids

    8.

    Measuring Zeta potential is useful in determining which property of colloidal solution ?

    A

    Viscosity

    B

    Solubility

    C

    Stability of the colloidal particles

    D

    Size of the colloidal particles

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Surface Chemistry
    🎯Topic:Colloidal State
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Zeta potential, colloidal stability

    9.

    Butter is a colloid form in which :

    A

    Fat is dispersed in solid casein

    B

    Fat globules are dispersed in water

    C

    Water is dispersed in fat

    D

    Suspension of casein is in water

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Surface Chemistry
    🎯Topic:Colloidal State
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :colloids, emulsion, dispersion

    10.

    The outcome of internal liquid of gels on shear is called :

    A

    Synerisis

    B

    Thixotropy

    C

    Swelling

    D

    None of these

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Surface Chemistry
    🎯Topic:Colloidal State
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Gel properties, Shear stress, Thixotropy, Syneresis, Swelling

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