1.

    Which inert gas is most commonly used in cryogenics due to its exceptionally low boiling point?

    A

    Helium

    B

    Neon

    C

    Argon

    D

    Krypton

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Classification Of Elements
    🎯Topic:Inert Gases [Group-18]
    🎓 Ncert Level:Remembering
    🎯Difficulty :Hard
    ⚡ Time Required :0.5 mins
    🔄Ncert Concepts :Inert Gases, Applications of Inert Gases, Cryogenics

    Related Questions

    1.

    Hybridisation and shape of XeOF4XeO{F_4} are

    A

    sp3d3s{p^3}{d^3} and Pentagonal bipyramidal

    B

    sp3d2s{p^3}{d^2} and Square pyramidal

    C

    sp3ds{p^3}d and Trigonal bipyramidal

    D

    sp3d3s{p^3}{d^3} and Distorted octahedral

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Classification Of Elements
    🎯Topic:Inert Gases [Group-18]
    🎓 Ncert Level:Application
    🎯Difficulty :Easy
    ⚡ Time Required :3 mins
    🔄Ncert Concepts :Hybridization, VSEPR theory, Molecular geometry

    2.

    Xenon forms several fluorides. Which of the following xenon fluorides exhibits the highest melting point?

    A

    XeF2

    B

    XeF4

    C

    XeF6

    D

    XeF8

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Classification Of Elements
    🎯Topic:Inert Gases [Group-18]
    🎓 Ncert Level:Application
    🎯Difficulty :Hard
    ⚡ Time Required :1.5 mins
    🔄Ncert Concepts :Inert Gases, Xenon Compounds, Intermolecular Forces, Melting Point

    3.

    Noble gases exhibit very low reactivity. Which statement about noble gases is INCORRECT?

    A

    They have completely filled ns and np subshells (except He)

    B

    They exist as monatomic gases

    C

    They have very high ionization enthalpies

    D

    They are completely inert

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Classification Of Elements
    🎯Topic:Inert Gases [Group-18]
    PYQ YEAR: 2021
    🎓 Ncert Level:Understanding
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :noble gases, inertness, reactivity, chemical properties

    4.

    Anionic species obtained on reaction of XeF2Xe{F_2} with XeF2Xe{F_2} is

    A

    XeF3−

    B

    XeF4

    C

    XeF5−

    D

    XeF6

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Classification Of Elements
    🎯Topic:Inert Gases [Group-18]
    🎓 Ncert Level:Analyzing
    🎯Difficulty :Hard
    ⚡ Time Required :3 mins
    🔄Ncert Concepts :Lewis acid-base, Anionic complex formation, Chemical reactions, Xenon fluorides

    5.

    Noble gases are known for their low reactivity. Which of the following properties is NOT characteristic of noble gases?

    A

    High ionization energy

    B

    High reactivity

    C

    Existence as monatomic gases

    D

    Full valence electron shell (except He)

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Classification Of Elements
    🎯Topic:Inert Gases [Group-18]
    PYQ YEAR: 2021
    🎓 Ncert Level:Understanding
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :noble gases, reactivity, chemical properties, ionization energy

    6.

    Hybridisation and shape of XeOF4XeO{F_4} are

    A

    sp3d3s{p^3}{d^3} and Pentagonal bipyramidal

    B

    sp3d2s{p^3}{d^2} and Square pyramidal

    C

    sp3ds{p^3}d and Trigonal bipyramidal

    D

    sp3d3s{p^3}{d^3} and Distorted octahedral

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Classification Of Elements
    🎯Topic:Inert Gases [Group-18]
    🎓 Ncert Level:Application
    🎯Difficulty :Easy
    ⚡ Time Required :3 mins
    🔄Ncert Concepts :Hybridization, VSEPR theory, Molecular geometry

    7.

    Which inert gas is also known as 'stranger gas'?

    A

    Argon

    B

    Krypton

    C

    Xenon

    D

    Radon

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Classification Of Elements
    🎯Topic:Inert Gases [Group-18]
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :0.5 mins
    🔄Ncert Concepts :Inert gases, Nomenclature

    8.

    Which group in the periodic table represents the inert gases?

    A

    Group 1

    B

    Group 17

    C

    Group 18

    D

    Group 2

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Classification Of Elements
    🎯Topic:Inert Gases [Group-18]
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :0.5 mins
    🔄Ncert Concepts :Inert gases, Periodic table

    9.

    The correct geometry and hybridization for XeF4Xe{F_4} are __

    A

    square planar, sp3d2s{p^3}{d^2}

    B

    Octahydral, sp3d2s{p^3}{d^2}

    C

    trigonal bipyramidal, sp3ds{p^3}d

    D

    planar triangle, sp3d3s{p^3}{d^3}

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Classification Of Elements
    🎯Topic:Inert Gases [Group-18]
    🎓 Ncert Level:Application
    🎯Difficulty :Medium
    ⚡ Time Required :3 mins
    🔄Ncert Concepts :VSEPR theory, hybridization, molecular geometry

    10.

    Which inert gas is the most abundant in Earth's atmosphere?

    A

    Helium

    B

    Neon

    C

    Argon

    D

    Krypton

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Classification Of Elements
    🎯Topic:Inert Gases [Group-18]
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :0.5 mins
    🔄Ncert Concepts :Inert gases, Atmospheric composition

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