1.

    Which factor does NOT contribute significantly to the difference in bond lengths between single, double, and triple bonds?

    A

    Bond Order

    B

    Atomic Size

    C

    Bond Strength

    D

    Electronegativity differences

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Chemical Bonding and Molecular Structure
    🎯Topic:Bond Parameters
    🎓 Ncert Level:Analyzing
    🎯Difficulty :Hard
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Bond Length, Multiple Bonds, Hybridization

    Related Questions

    1.

    The correct order of bond angles is:

    A

    H2S<NH3<BF3<SiH4{{\rm{H}}_2}{\rm{S}} < N{{\rm{H}}_3} < B{{\rm{F}}_3} < Si{{\rm{H}}_4}

    B

    NH3<H2S<SiH4<BF3{\rm{N}}{{\rm{H}}_3} < {{\rm{H}}_2}{\rm{S}} < Si{{\rm{H}}_4} < B{{\rm{F}}_3}

    C

    H2S<NH3<SiH4<BF3{{\rm{H}}_2}{\rm{S}} < N{{\rm{H}}_3} < Si{{\rm{H}}_4} < B{{\rm{F}}_3}

    D

    H2S<SiH4<NH3<BF3{{\rm{H}}_2}{\rm{S}} < Si{{\rm{H}}_4} < N{{\rm{H}}_3} < B{{\rm{F}}_3}

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Chemical Bonding and Molecular Structure
    🎯Topic:Bond Parameters
    🎓 Ncert Level:Analyzing
    🎯Difficulty :Medium
    ⚡ Time Required :3 mins
    🔄Ncert Concepts :VSEPR theory, bond angle, lone pair repulsion, molecular geometry

    2.

    Which one of the following compounds has the smallest bond angle in its molecule?

    A

    SO2{\rm{S}}{{\rm{O}}_2}

    B

    OH2{\rm{O}}{{\rm{H}}_2}

    C

    SH2{\rm{S}}{{\rm{H}}_2}

    D

    NH3{\rm{N}}{{\rm{H}}_3}

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Chemical Bonding and Molecular Structure
    🎯Topic:Bond Parameters
    🎓 Ncert Level:Application
    🎯Difficulty :Hard
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :VSEPR theory, bond angle, molecular geometry, lone pairs

    3.

    The bond length between C−−CC{\rm{ }}--{\rm{ }}C bond in sp2s{p^2} hybridised molecule is

    A

    1.2A01.2{A^0}

    B

    1.39A01.39{A^0}

    C

    1.33A01.33{A^0}

    D

    1.54A01.54{A^0}

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Chemical Bonding and Molecular Structure
    🎯Topic:Bond Parameters
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Hybridization, Bond Length

    4.

    Which of the following statements regarding bond parameters is INCORRECT?

    A

    A higher bond order usually implies a stronger bond.

    B

    A shorter bond length usually corresponds to a stronger bond.

    C

    Higher bond energy means a stronger bond.

    D

    A longer bond length implies greater bond strength.

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Chemical Bonding and Molecular Structure
    🎯Topic:Bond Parameters
    🎓 Ncert Level:Understanding
    🎯Difficulty :Hard
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Bond Length, Bond Enthalpy, Bond Order, Polarity

    5.

    The correct order of decreasing polarisability of ion is:

    A

    Cl−,Br−,I−,F−{\rm{C}}{{\rm{l}}^ - },{\rm{B}}{{\rm{r}}^ - },{{\rm{I}}^ - },{{\rm{F}}^ - }

    B

    F−,I−,Br−,Cl−{{\rm{F}}^ - },{{\rm{I}}^ - },{\rm{B}}{{\rm{r}}^ - },{\rm{C}}{{\rm{l}}^ - }

    C

    I−,Br−,Cl−,F−{{\rm{I}}^ - },{\rm{B}}{{\rm{r}}^ - },{\rm{C}}{{\rm{l}}^ - },{{\rm{F}}^ - }

    D

    F−,Cl−,Br−,I−{{\rm{F}}^ - },{\rm{C}}{{\rm{l}}^ - },{\rm{B}}{{\rm{r}}^ - },{{\rm{I}}^ - }

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Chemical Bonding and Molecular Structure
    🎯Topic:Bond Parameters
    🎓 Ncert Level:Understanding
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Polarizability, Ionic Size, Periodic Trends

    6.

    Which of the following statement is correct?

    A

    Polarization of an anion is maximum by high charged cation

    B

    Small sized cation minimises the polarisation

    C

    A small anion brings about a large degree of polarization

    D

    A small anion undergoes a high degree of polarization

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Chemical Bonding and Molecular Structure
    🎯Topic:Bond Parameters
    🎓 Ncert Level:Understanding
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Polarization, Fajan's rule, Cationic charge, Ionic size

    7.

    The internuclear distance in H2{{\rm{H}}_2} and Cl2C{l_2} molecules are 7474 and 198198 pm respectively. The bond length of H−ClH - Cl may be:

    A

    $\begin{array}{*{20}{l}}

    {272{\rm{ }}pm}

    \end{array}$

    B

    $\begin{array}{*{20}{l}}

    {70{\rm{ }}pm}

    \end{array}$

    C

    $\begin{array}{*{20}{l}}

    {136{\rm{ }}pm}

    \end{array}$

    D

    $\begin{array}{*{20}{l}}

    {248{\rm{ }}pm}

    \end{array}$

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Chemical Bonding and Molecular Structure
    🎯Topic:Bond Parameters
    🎓 Ncert Level:Application
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :bond length, covalent radius, average bond length

    8.

    Bond energies in NONO, NO+{\rm{N}}{{\rm{O}}^ + } and NO−{\rm{N}}{{\rm{O}}^ - }are such as

    A

    NO−>NO>NO+{\rm{N}}{{\rm{O}}^ - } > {\rm{NO}} > N{{\rm{O}}^ + }

    B

    NO>NO−>NO+{\rm{NO}} > {\rm{N}}{{\rm{O}}^ - } > N{{\rm{O}}^ + }

    C

    NO+>NO>NO−{\rm{N}}{{\rm{O}}^ + } > {\rm{NO}} > {\rm{N}}{{\rm{O}}^ - }

    D

    NO+>NO−>NO{\rm{N}}{{\rm{O}}^ + } > {\rm{N}}{{\rm{O}}^ - } > {\rm{NO}}

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Chemical Bonding and Molecular Structure
    🎯Topic:Bond Parameters
    🎓 Ncert Level:Analyzing
    🎯Difficulty :Medium
    ⚡ Time Required :3 mins
    🔄Ncert Concepts :Molecular Orbital Theory, Bond Order, Bond Energy

    9.

    The molecule having smallest bond angle is

    A

    H2O{{\rm{H}}_2}{\rm{O}}

    B

    H2S{{\rm{H}}_2}{\rm{S}}

    C

    NH3{\rm{N}}{{\rm{H}}_3}

    D

    H2Te{{\rm{H}}_2}{\rm{Te}}

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Chemical Bonding and Molecular Structure
    🎯Topic:Bond Parameters
    🎓 Ncert Level:Application
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :VSEPR theory, bond angle, electronegativity, lone pair repulsion

    10.

    Bond energies in NONO, NO+{\rm{N}}{{\rm{O}}^ + } and NO−{\rm{N}}{{\rm{O}}^ - } are such as

    A

    NO−>NO>NO+{\rm{N}}{{\rm{O}}^ - } > NO > N{{\rm{O}}^ + }

    B

    NO+>NO−>NO{\rm{N}}{{\rm{O}}^ + } > N{{\rm{O}}^ - } > N{\rm{O}}

    C

    NO>NO−>NO+{\rm{NO}} > N{{\rm{O}}^ - } > N{{\rm{O}}^ + }

    D

    NO+>NO>NO−{\rm{N}}{{\rm{O}}^ + } > NO > N{{\rm{O}}^ - }

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Chemical Bonding and Molecular Structure
    🎯Topic:Bond Parameters
    🎓 Ncert Level:Analyzing
    🎯Difficulty :Medium
    ⚡ Time Required :3 mins
    🔄Ncert Concepts :molecular orbital theory, bond order, bond energy

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