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Question: Answered & Verified by Expert
Observe the following species
$$
\mathrm{AlCl}_3, \mathrm{NH}_3, \mathrm{H}^{+}, \mathrm{Co}^{3+},-{ }^{-} \mathrm{OH}, \mathrm{Mg}^{2+}, \mathrm{BF}_3, \mathrm{Cl}^{-}
$$
How many Lewis acids are present in the above list?
ChemistryIonic EquilibriumAP EAMCETAP EAMCET 2023 (18 May Shift 2)
Options:
  • A 5
  • B 4
  • C 2
  • D 3
Solution:
2404 Upvotes Verified Answer
The correct answer is: 5
Lewis acids $=\mathrm{AlCl}_3, \mathrm{H}^{+}, \mathrm{Co}^{3+}, \mathrm{Mg}^{2+}, \mathrm{BF}_3$.

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