OnlineCBT
Chemistry · EQUILIBRIUM
हिन्दीWhich of the following molecules or ions cannot act as a Lewis acid?
Correct answer · Option 4
\( \text{OH}^- \)
Explanation
\( \text{OH}^- \) has lone pairs and acts as an electron pair donor (Lewis base), whereas \( \text{AlCl}_3 \), \( \text{Co}^{3+} \), and \( \text{BCl}_3 \) are electron-deficient and act as Lewis acids.
