11.9. What are electron deficient compounds? Are BCl3 and SiCl4 electron deficient species? Explain.

Electron deficient compounds are those in which the central atom in their molecule has the tendency to accept one or more electron pairs. They are also known as Lewis acid. BCl3 and SiCl4 both are electron deficient species. Since, in BCl3, B atom has only six electrons. Therefore, it is an electron deficient compound. In SiCl4 the central atom Si has 8 electrons but it can expand its covalency beyond 4 due to the presence of d-orbitals.

11.9. What are electron deficient compounds? Are BCl₃ and SiCl₄ electron deficient species? Explain.

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Vishal Baghel | Contributor-Level 10

9 months ago

Electron deficient compounds are those in which the central atom in their molecule has the tendency to accept one or more electron pairs. They are also known as Lewis acid. BCl₃ and SiCl₄ both are electron deficient species.
Since, in BCl₃, B atom has only six electrons. Therefore, it is an electron