Answer: H2OAn amphoteric species can act as both an acid and a base. In the context of the question, H2O is the only compound that is not a strong acid or base. Therefore, it must be the amphoteric compound.

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SAT II Chemistry Exam Prep

Category - Multiple Choice

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Which of the following compounds is classified as amphoteric?

H₂O
HCl
NaOH
HClO₄
HI

Explanation

Answer: H₂O

An amphoteric species can act as both an acid and a base. In the context of the question, H₂O is the only compound that is not a strong acid or base. Therefore, it must be the amphoteric compound.

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