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IAT IISER2025Chemistrys Block Elements

Which one of the following statements best describes the acidic/basic/amphoteric nature of ZnO and CaO ?

Options

  1. AZnO is amphoteric, while CaO is basic.
  2. BZnO is basic, while CaO is amphoteric.
  3. CBoth ZnO and CaO are amphoteric.
  4. DZnO is acidic, while CaO is basic.

Correct answer

A. ZnO is amphoteric, while CaO is basic.

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