1.

    Which of the following molecules has the shortest bond length?

    A

    F₂

    B

    O₂

    C

    N₂

    D

    Cl₂

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Chemical Bonding and Molecular Structure
    🎯Topic:Introduction, Covalent Bond
    🎓 Ncert Level:Application
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Bond length, Bond order, Multiple bonds

    Related Questions

    1.

    The unequal sharing of bonded pair of electrons between two atoms in a molecule gives rise to:

    A

    Ionic bond

    B

    Polar covalent bond

    C

    Non-polar covalent bond

    D

    None of the above

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Chemical Bonding and Molecular Structure
    🎯Topic:Introduction, Covalent Bond
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :chemical bonding, electronegativity, polarity

    2.

    In which element shielding effect is not possible?

    A

    H{\rm{H}}

    B

    Be{\rm{Be}}

    C

    B{\rm{B}}

    D

    N{\rm{N}}

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Chemical Bonding and Molecular Structure
    🎯Topic:Introduction, Covalent Bond
    🎓 Ncert Level:Understanding
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :shielding effect, electronic configuration

    3.

    The electrons used in bonding atoms:

    A

    Belong to outermost shell

    B

    Belong to penultimate shell

    C

    Belong to outermost shell and sometimes penultimate shell

    D

    Belong to penultimate shell and sometimes to outermost shell

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Chemical Bonding and Molecular Structure
    🎯Topic:Introduction, Covalent Bond
    🎓 Ncert Level:Understanding
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :valence electrons, electron shells, chemical bonding

    4.

    Which of the following two are isostructural?

    A

    XeF2,IF2−{\rm{Xe}}{{\rm{F}}_2},{\rm{IF}}_2^ -

    B

    NH3,BF3{\rm{N}}{{\rm{H}}_3},{\rm{B}}{{\rm{F}}_3}

    C

    CO32−,SO32−{\rm{CO}}_3^{2 - },{\rm{SO}}_3^{2 - }

    D

    PCl5,ICl5{\rm{PC}}{{\rm{l}}_5},{\rm{IC}}{{\rm{l}}_5}

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Chemical Bonding and Molecular Structure
    🎯Topic:Introduction, Covalent Bond
    🎓 Ncert Level:Application
    🎯Difficulty :Medium
    ⚡ Time Required :3 mins
    🔄Ncert Concepts :VSEPR theory, molecular geometry, Lewis structures, isostructural

    5.

    Which atomic orbital is always involved in sigma bonding only?

    A

    ss

    B

    pp

    C

    dd

    D

    ff

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Chemical Bonding and Molecular Structure
    🎯Topic:Introduction, Covalent Bond
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :atomic orbitals, sigma bonding

    6.

    Which among the following contains only two pi bonds ?

    A

    CO₂

    B

    HC≡CH (Ethyne)

    C

    N₂

    D

    All of the above

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Chemical Bonding and Molecular Structure
    🎯Topic:Introduction, Covalent Bond
    🎓 Ncert Level:Analyzing
    🎯Difficulty :Medium
    ⚡ Time Required :3 mins
    🔄Ncert Concepts :molecular orbital theory, pi bonds, sigma bonds, electronic configuration

    7.

    In pyrophosphoric acid, H4P2O7{{\rm{H}}_4}{{\rm{P}}_2}{{\rm{O}}_7}, number of σ\sigma and dπ−pπd\pi - p\pi bonds are respectively

    A

    8and28{\rm{ }}and{\rm{ }}2

    B

    6and26{\rm{ }}and{\rm{ }}2

    C

    12andZero12{\rm{ }}and{\rm{ }}Zero

    D

    12and212{\rm{ }}and{\rm{ }}2

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Chemical Bonding and Molecular Structure
    🎯Topic:Introduction, Covalent Bond
    🎓 Ncert Level:Analyzing
    🎯Difficulty :Medium
    ⚡ Time Required :3 mins
    🔄Ncert Concepts :Chemical bonding, Sigma bonds, Pi bonds, d-p pi bonding, Lewis structure

    8.

    Which is distilled first?

    A

    Liquid H2{{\rm{H}}_2}

    B

    Liquid CO2{\rm{C}}{{\rm{O}}_2}

    C

    Liquid O2{\rm{Liquid}}\,{{\rm{O}}_2}

    D

    Liquid N2{\rm{Liquid}}\,{{\rm{N}}_2}

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Chemical Bonding and Molecular Structure
    🎯Topic:Introduction, Covalent Bond
    🎓 Ncert Level:Understanding
    🎯Difficulty :Easy
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Boiling Point, Fractional Distillation

    9.

    Solid CH4{\rm{C}}{{\rm{H}}_4} is:

    A

    Molecular solid

    B

    Ionic solid

    C

    Covalent solid

    D

    Not exist

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Chemical Bonding and Molecular Structure
    🎯Topic:Introduction, Covalent Bond
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :types of solids, intermolecular forces

    10.

    HCl{\rm{HCl}} molecule in the vapour state is an example of:

    A

    Non-polar bond

    B

    Ionic bond

    C

    Polar covalent bond

    D

    Pure covalent bond

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Chemical Bonding and Molecular Structure
    🎯Topic:Introduction, Covalent Bond
    🎓 Ncert Level:Understanding
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :chemical bonding, polarity, electronegativity

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