Question

Which of the following cannot behave like a Lewis acid?

• A. $C{O}_3^{2-}$
• B. $Z{n}^{2+}$
• C. $S{O}_3$
• D. $SiC{l}_4$

Answer 1

Answer: (A)

$C{O}_3^{2-}$ doesn’t have a vacant $\text{d-orbital}$ .