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Explain the formation of a chemical bond...

Explain the formation of a chemical bond.

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Explain the formation of chemical bond.

Explain the formation of a covalent bond. State two factors which influence the formation of a covalent bond.

During the formation of a chemical bond, the potential energy of the interacting atoms is lowered by at least _____________ kJ mol^(-1) .

Explain the formation of ionic bond in Ca and Cl atoms.

Explain the formation of ionic bond with two examples.

Explain the formation of H_(2) molecule on the basis of valance bond theory.

Assertion : A chemical reaction is a process in which the original substance(s) lose its nature and identity and form new substance(s) with different properties. Reason : Breaking of the chemical bonds and formation of new chemical bonds is responsible for the occurrence of a chemical reaction.

Chemical Bonding

Knowledge Check

  • During the formation of a chemical bond

    A
    electron-electron repulsion because more than the nucleus-electron attraction
    B
    energy of the system does not change
    C
    energy of the system increases
    D
    energy of the system decreases

  • During the formation of a chemical bond, the potential energy of the interacting atoms is lowered by at least _____________ kJ mol^(-1) .

    A
    `40`
    B
    `50`
    C
    `60`
    D
    `30`

  • Condition for the formation of chemical bond is

    A
    Increase in stability
    B
    Octet configuration
    C
    Both
    D
    unstable nucleus.
    • MODERN PUBLICATION-CHEMICAL BONDING AND MOLECULAR STRUCTURE-Revision Exercises (Objective Questions)(Short Answer Questions)
    1. Explain the formation of a chemical bond.

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    2. Explain the formation of a covalent bond. State two factors which infl...

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    3. Write the favourable factors for the formation of ionic bond.

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    4. Define octet rule. Write its significance and limitations.

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    5. What do you understand by a chemical bond? Why do atoms combine to for...

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    6. Draw Lewis symbols for the following elements : B, Ge, Si, Ar, Ca, K...

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    7. Give one example of a compound containing double bond and one containi...

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    8. Explain that whereas H(2) and F(2) are non - polar, HF is polar.

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    9. Draw the orbital representation of the molecules : HF, H(2)O and NH(...

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    10. Write the Lewis dot structures of (a) C Cl(4) (b) PH(3) ( c) BCl(3). I...

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    11. Draw the shapes of the following hybrid orbitals : sp, sp^(2), sp^(3...

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    12. Considering X axis as the internuvlear axis, which out of the followin...

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    13. Give the Lewis dot structures of NH(3), CH(4) and SO(3).

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    14. Draw electron dot structures of the following : (i) OF(2) (ii) C(2...

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    15. What is octet rule? List important exceptions to octet rule.

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    16. Give the number and types of various bonds in acetylene molecule. Name...

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    17. Draw dipole moment diagrams showing polarity of individual bonds and r...

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    18. Which one is covalent bond ?

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    19. Which plot best repersent the potential energy (E ) of two hydrogen at...

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    20. The dipole moment of hydrogen halides decreases form HF to HI. Explain...

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