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Presence of a lone pair of electrons dis...

Presence of a lone pair of electrons distorts the geometry of a covalent molecule. Explain.

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Hybridisation helps us to understand the geometry of the molecules. This is because hybridised orbitals are directed in space in some preferred directions to have stable arrangement, which determine the geometry. The common hybridisation are sp (linear), sp^(2) (trigonal planar), sp^(3) (tetrahedral), sp^(3)d (trigona bipyramidal), sp^(3)d^(2) (octahedral) and sp^(3)d^(3) (pentagonal bipyramidal). The presence of lone pairs in addition to bond pairs distort the geometry because "lone pair "-" lone pair repulsion"gt" lone pair "-" bond repulsion" gt" bond pair" -"bond pair repulsion" . What is the hybridisation and shape of XeF_(4) molecule?

Hybridisation helps us to understand the geometry of the molecules. This is because hybridised orbitals are directed in space in some preferred directions to have stable arrangement, which determine the geometry. The common hybridisation are sp (linear), sp^(2) (trigonal planar), sp^(3) (tetrahedral), sp^(3)d (trigona bipyramidal), sp^(3)d^(2) (octahedral) and sp^(3)d^(3) (pentagonal bipyramidal). The presence of lone pairs in addition to bond pairs distort the geometry because "lone pair "-" lone pair repulsion"gt" lone pair "-" bond repulsion" gt" bond pair" -"bond pair repulsion" . Give an example of molecule involving sp^(3) hybridisation.

Hybridisation helps us to understand the geometry of the molecules. This is because hybridised orbitals are directed in space in some preferred directions to have stable arrangement, which determine the geometry. The common hybridisation are sp (linear), sp^(2) (trigonal planar), sp^(3) (tetrahedral), sp^(3)d (trigona bipyramidal), sp^(3)d^(2) (octahedral) and sp^(3)d^(3) (pentagonal bipyramidal). The presence of lone pairs in addition to bond pairs distort the geometry because "lone pair "-" lone pair repulsion"gt" lone pair "-" bond repulsion" gt" bond pair" -"bond pair repulsion" . Give an example of a molecule involving sp^(3)d hybridisation of the central atom and two lone pairs.

Hybridisation helps us to understand the geometry of the molecules. This is because hybridised orbitals are directed in space in some preferred directions to have stable arrangement, which determine the geometry. The common hybridisation are sp (linear), sp^(2) (trigonal planar), sp^(3) (tetrahedral), sp^(3)d (trigona bipyramidal), sp^(3)d^(2) (octahedral) and sp^(3)d^(3) (pentagonal bipyramidal). The presence of lone pairs in addition to bond pairs distort the geometry because "lone pair "-" lone pair repulsion"gt" lone pair "-" bond repulsion" gt" bond pair" -"bond pair repulsion" . Which d - orbitals are involved in sp^(3)d^(2) hybridisation in SF_(6) molecule?

MODERN PUBLICATION-CHEMICAL BONDING AND MOLECULAR STRUCTURE-Revision Exercises (Objective Questions)(Short Answer Questions)
  1. Out of the following resonating strictures for CO(2) molecule, which a...

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  2. Which of the two : KCl or Cl(2) has higher boiling point and why?

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  3. Presence of a lone pair of electrons distorts the geometry of a covale...

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  4. Define hyvridisation. Discuss the bonding in acetylene molecule on the...

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  5. Write the resonance structures for SO(3),NO(2), and NO(3)^(ө).

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  6. APPLICATION OF DIPOLE MOMENT

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  7. Name the two bonds present in oxygen molecule and compare their streng...

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  8. Three elements have the following Lewis symbols : overset(*)A" "*ov...

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  9. Distinguish between a sigma and a pi bond.

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  10. Define lattice enthalpy. How is it related to the stability of an ioni...

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  11. Write the stability order of Resonating Structures:

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  12. Discuss the shape of CO(2) molecule on the basis of hybridisation.

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  13. How do you account for equal bond lengths in ozone molecule?

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  14. Define dipole moment. How does this help to predict the geometries of ...

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  15. Draw diagrams showing the formation of a double bond and a triple bond...

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  16. Explain the important aspects of resonance with reference to the CO(3)...

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  17. Explain with the help of suitable example polar covalent bond.

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  18. In each of the following pairs, predict which has higher value of the ...

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  19. Explain the term dipole moment. Name two molecules which have dipole m...

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  20. Using the concept of hybridisation, explain the shapes of BF(3), C(2)H...

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