Which of the following does not undergo a Lewis acid-base reaction?

CHEMISTRY · Single correct · CBSE · Chemistry · Chemical Bonding and Molecular Structure · Chemical Bonding and Molecular Structure

Problem

Which of the following does not undergo a Lewis acid-base reaction? (1)

\text{CO}_2+\text{H}_2\text{O}

(2)

\text{AlCl}_3+\text{Cl}^-

(3)

\text{SF}_6+\text{BF}_3

(4)

\text{B}(\text{OH})_3+\text{H}_2\text{O}