Equilibrium

Equilibrium

Question

Which of the following are Lewis acids?

  • BCl3 and AlCl3

  • PH3 and BCl3

  • AlCl3 and SiCl4

  • PH3 and SiCl4

Answer

A.

BCl3 and AlCl3

Both BCl3 and AlCl3 are Lewis acids as both ‘B’ and ‘Al’ has vacant p-orbitals. SiCl4 is also a Lewis acid as silicon atom has vacant 3d-orbital.

More Chapters from Equilibrium