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Chemical bonding questions

Chemical bonding questions | form five Chemistry

Find Chemical bonding examination questions, form five Chemistry in acaproso.com

# Question
1

For each of the following compounds , show from electron configuration the type of hybrid orbital of the underlined atom and draw the geometry of the corresponding molecule.

  1. BeCl2
  2. CCl4
  3. C2F4

 


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2

Define the following

  1. Dative bonding
  2. Ionic bonding
  3. Valence electrons

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3

Summarise three major ideas of the Valence Shell Elctron Pair Repulsion (VSEPR) theory.


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4

Outline four differences between sigma and pi bonds.


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5

Determine the name of a geometrical structure and one example of the molecule formed from the following hybridized orbitals.

  1. Sp3.
  2. Sp2.
  3. Sp.

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6

Giving examples , briefly explain each of the following:

  1. Hydrogen bonding
  2. Coordinate bond
  3. Van der Waal forces

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7

For each of the following pairs of substances, predict which substance has a higher melting point and give reason for each choice you make.

  1. CH3CH3 and CH3OH
  2. CO2 and H2
  3. HCl and H2O
  4. Al and Mg
  5. Si and Na.

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8

Describe the hybridization of beryllium in beryllium chloride (BeCl2).


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9

Predict the hybridization of the following:

  1. PCl5
  2. SF6
  3. CO2
  4. BCl3

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10

Arrange the following substances in order of increasing melting points:

CO2, H2O, CO, H2 and Ar.


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