Electrons plays a significant role in the formation of a compound. Electron rich and electron-deficient both have variant roles. Let us know about electron-deficient compounds.
➤ Definition- Electron deficient
An electron-deficient compound is one in which there is an insufficient number of electrons to complete the octet of the central atom. These compounds contain insufficient numbers of electrons to form normal electron-pair bonds between each pair of bonded atoms.
➤ Examples
The compounds containing less than 8 electrons in the valence shells are called electron-deficient compounds such as B2F6, Al2Cl6, etc. On the other hand, the compounds containing more than 8 electrons in the valence shells may be called electron surplus compounds example, SF6, O8F8, etc.
➤ Boron family as an example
For example, boron which has electronic configuration [He], 2s22p1 forms compounds which are described as electron-deficient compounds.
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