Question:

Which of the following can act as Lewis acid?

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Electron-deficient species act as Lewis acids.
Updated On: Apr 21, 2026
  • \( H_2O \)
  • \( HO^- \)
  • \( F^- \)
  • \( NH_3 \)
  • \( AlCl_3 \)
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The Correct Option is

Solution and Explanation

Concept: Lewis acid = electron pair acceptor.

Step 1:
Check.
\[ AlCl_3 \text{ has vacant orbital} \]
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