Chemistry
Given below is a diagram showing the placement of five different oxides. With respect to the given diagram answer the following questions:
(a) Name the type of oxide represented in region X in the diagram.
(b) Identify the oxide which has been incorrectly placed in the above diagram.
(c) Name the oxide from the above diagram which will form an alkali when dissolved in water.
Acids Bases Salts
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Answer
(a) Amphoteric oxides
(b) Copper(II) oxide is placed incorrectly. It is a basic oxide, but it is shown under acidic categories.
(c) Sodium oxide (Na2O) is the oxide that will form an alkali when dissolved in water:
Na2O + H2O ⟶ 2NaOH
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