Explain why the following compounds behave as Lewis acids?
(i) BCl3
(ii) AlCl3
Explain why the following compounds behave as Lewis acids?
(i) BCl3
(ii) AlCl3
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1 Answer
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This is a Short Answers Type Questions as classified in NCERT Exemplar
Both BCl3 and AlCl3 are electron deficient compounds that are central atom boron and aluminium have incomplete Octet. In each compound, a metal atom is surrounded by six electrons of three covalent bonds with 3 chlorine atoms.
Each chlorine atom has a complete Octet of eight electrons. The electron deficient compounds act as Lewis acid and readily accept two electrons to complete their octet.
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