krit.club logo

Chemical Bonding and Molecular Structure

Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.

Valence Bond Theory

Subtopic

Valence Bond Theory under Chemical Bonding and Molecular Structure for Grade 11 ICSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Which of the following is a limitation of the simple Valence Bond Theory (Heitler-London model)?

    A.

    It explains bond formation

    B.

    It explains bond energy

    C.

    It cannot explain the paramagnetic nature of O2O_2

    D.

    It uses the concept of overlap

  2. 2.

    The total number of sigma bonds in a molecule of Ethene (CH2=CH2CH_2=CH_2) is:

    A.

    4

    B.

    5

    C.

    6

    D.

    3

  3. 3.

    A sigma (Οƒ\sigma) bond can be formed by the overlap of:

    A.

    Two s-orbitals

    B.

    One s and one p orbital

    C.

    Two p-orbitals (axially)

    D.

    All of the above

Download the worksheet for Chemical Bonding and Molecular Structure - Valence Bond Theory to practice offline. It includes additional chapter-level practice questions.

VSEPR Theory

Subtopic

VSEPR Theory under Chemical Bonding and Molecular Structure for Grade 11 ICSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    A central atom with 6 bond pairs and 0 lone pairs forms an Octahedral shape. What is the bond angle between any two adjacent bonds?

    A.

    120∘120^{\circ}

    B.

    109.5∘109.5^{\circ}

    C.

    90∘90^{\circ}

    D.

    180∘180^{\circ}

  2. 2.

    Which of these molecules has the smallest bond angle?

    A.

    CH4CH_{4}

    B.

    NH3NH_{3}

    C.

    H2OH_{2}O

    D.

    BF3BF_{3}

  3. 3.

    How many bond pairs are around the central atom in XeF6XeF_{6}?

    A.

    4

    B.

    5

    C.

    6

    D.

    7

Download the worksheet for Chemical Bonding and Molecular Structure - VSEPR Theory to practice offline. It includes additional chapter-level practice questions.

Hybridization

Subtopic

Hybridization under Chemical Bonding and Molecular Structure for Grade 11 ICSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    What is the hybridization of the central Sulfur atom in SO2SO_2?

    A.

    spsp

    B.

    sp2sp^2

    C.

    sp3sp^3

    D.

    sp3dsp^3d

  2. 2.

    The bond angle in a molecule with sp3d2sp^3d^2 hybridization is:

    A.

    120∘120^\circ

    B.

    109.5∘109.5^\circ

    C.

    90∘90^\circ

    D.

    180∘180^\circ

  3. 3.

    Which type of bond is formed by the overlapping of hybrid orbitals?

    A.

    Pi bond

    B.

    Sigma bond

    C.

    Hydrogen bond

    D.

    Electrovalent bond

Download the worksheet for Chemical Bonding and Molecular Structure - Hybridization to practice offline. It includes additional chapter-level practice questions.

Molecular Orbital Theory

Subtopic

Molecular Orbital Theory under Chemical Bonding and Molecular Structure for Grade 11 ICSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    The total number of molecular orbitals formed is always:

    A.

    Half the number of combining atomic orbitals

    B.

    Double the number of combining atomic orbitals

    C.

    Equal to the number of combining atomic orbitals

    D.

    Dependent on the number of valence electrons

  2. 2.

    Which of the following molecules has only Ο€\pi bonds according to MOT?

    A.

    O2O_2

    B.

    N2N_2

    C.

    C2C_2

    D.

    Be2Be_2

  3. 3.

    The bond order of N2+N_2^+ is:

    A.

    2

    B.

    2.5

    C.

    3

    D.

    3.5

Download the worksheet for Chemical Bonding and Molecular Structure - Molecular Orbital Theory to practice offline. It includes additional chapter-level practice questions.

Chemical Bonding and Molecular Structure - Class 11 Chemistry (ICSE) | Krit.club