Which is not amphoteric?A. `Al^(3+)`B. `Cr^(3+)`C. `Fe^(3+)`D. `Zn^(2+ – InterviewSolution

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1.	Which is not amphoteric?A. `Al^(3+)`B. `Cr^(3+)`C. `Fe^(3+)`D. `Zn^(2+)`
Answer» Correct Answer - c `Al^(3+)`, `Cr^(3+)` and `Zn^(2+)` are amphoteric i.e., `Al_2O_3`,`Cr_2O_3` and ZnO dissolve both in acids and alkalies. `Fe^(3+)` is distinctly basic. `Fe_2O_3` dissolves only in acids.

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