Asked by: Zaki Stempfhuber
asked in category: General Last Updated: 3rd April, 2020

What is the basic principle of the Vsepr theory?

The basic principle of the VSEPR theory is that molecular geometry can be predicted based on the notion that electron pairs in molecules tend to repel each other and achieve a maximum separation from each other. This applies both to bonding electrons as well as lone pairs.

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Keeping this in view, what is the basic idea of Vsepr theory?

The main idea is that electrons don't like to hang around near each other because they repel each other. As a result, the atoms in a molecule tend to separate as far as they can because their bonds repel each other.

One may also ask, what does the Vsepr theory say? The valence-shell electron-pair repulsion (VSEPR) theory states that electron pairs repel each other whether or not they are in bond pairs or in lone pairs.

Herein, how do you use the Vsepr theory?

  1. VSEPR Rules:
  2. Identify the central atom.
  3. Count its valence electrons.
  4. Add one electron for each bonding atom.
  5. Add or subtract electrons for charge (see Top Tip)
  6. Divide the total of these by 2 to find the total.
  7. number of electron pairs.
  8. Use this number to predict the shape.

Why is the Vsepr theory important?

It is very important to know the shape of a molecule if one is to understand its reactions. It is also desirable to have a simple method to predict the geometries of compounds. For main group compounds, the VSEPR method is such a predictive tool and unsurpassed as a handy predictive method.

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