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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?
Options:
$$
\mathrm{AlCl}_3, \mathrm{NH}_3, \mathrm{H}^{+}, \mathrm{Co}^{3+},-{ }^{-} \mathrm{OH}, \mathrm{Mg}^{2+}, \mathrm{BF}_3, \mathrm{Cl}^{-}
$$
How many Lewis acids are present in the above list?
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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