Give an example of electron deficient hydride.

Diborane (B2H6) is an example of an electron-deficient hydride. These hydrides do not have a sufficient number of electrons to form normal covalent bonds.

Electron deficient hydrides

The compounds in which the central atom has an incomplete octet are called electron-deficient hydrides.

  • These types of compounds are normally formed by group 13 elements.
  • The central atom cannot fulfil the octet rule.


Example BH3 and AlH3.These compounds generally exist in polymeric forms like B2H6, B4H10 etc.


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