Question

An example of a Lewis acid is.

• A. $NaCl$
• B. $25^{o}C$
• C. $AlCl_{3}$
• D. $SnCl_{4}$

Answer 1

Answer: (C)

$AlCl_{3}$

Answer 2

Because it is a electron pair acceptor it’s central atom have a vacant d-orbital.