What is hypovalent species?

Question

Answer

Octect of central atom is not complete i.e. less than 8 e- in valence shell are called hypovalent molecules or speciesExamples - BH3 ,BF3 ,AlF3 ,BCl3 ,BeF2, GaF3 etc...

Answer

Hypovalent Species: Definition and Explanation

Hypovalent species are chemical compounds or molecules that contain fewer than the expected number of valence electrons based on the octet rule. This means that the central atom or molecule in the compound has fewer than 8 valence electrons surrounding it.

Explanation

The octet rule states that most atoms tend to gain, lose, or share electrons until they have a full outer electron shell containing 8 valence electrons. This is because a full outer shell is the most stable configuration for an atom, and it minimizes the energy required to maintain that configuration.

However, there are some exceptions to the octet rule. Hypovalent species are one of these exceptions. These species have fewer than 8 valence electrons surrounding the central atom or molecule, which means they are less stable than compounds that conform to the octet rule.

Examples of Hypovalent Species

Some common examples of hypovalent species include:

Boron trifluoride (BF3)

Carbon monoxide (CO)

Nitrogen dioxide (NO2)

Phosphorus trichloride (PCl3)

Properties of Hypovalent Species

Hypovalent species have some unique properties compared to compounds that conform to the octet rule. Some of these properties include:

They tend to be more reactive and less stable than compounds that conform to the octet rule.

They often have a polarized bond, which means that one end of the bond is more electronegative than the other.

They can be used as catalysts in certain chemical reactions because of their reactive nature.

Conclusion

In conclusion, hypovalent species are chemical compounds or molecules that contain fewer than the expected number of valence electrons based on the octet rule. These species have unique properties compared to compounds that conform to the octet rule, and they can be used in certain chemical reactions as catalysts because of their reactive nature.

Answer

Those species which have the central atom with less than eight electron in the outermost shell or valence shell are considered as hypovalent species. pls brainies

Answer

Species which have not possess eight electrons in outer most shell . mainly covalent molecule are hypovalent . eg alcl3

Answer

Those species which has central atom less than 8 electrons on the outermost shell

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