Question

The metal oxide which can react with acid as well as alkali is : A: Silver oxide
B: Copper(||) oxide
C: Aluminium oxide
D: Calcium oxide

Answer 1

Answer:

aluminium oxide.

Explanation:

As aluminum oxide is amphoteric in nature. that is it can react with both acid as well as with bases

Answer 2

The metal oxide which can react with acid as well as alkali is aluminium oxide.

Explanation:

The oxide that reacts with both acid and base (alkali) is known as amphoteric oxide.

From the given oxides, the oxide which is amphoteric in nature is aluminium oxide.

Reaction of aluminium oxide with acid:

The reaction of aluminium oxide with hydrochloric acid leads to the formation of aluminium chloride and water molecule. The equation follows:

$Al_2O_3+6HCl\rightarrow 2AlCl_3+3H_2O$

Reaction of aluminium oxide with base (alkali):

The reaction of aluminium oxide with sodium hydroxide leads to the formation of a salt known as sodium aluminate. The equation follows:

$Al_2O_3+6NaOH+3H_2O\rightarrow 2Na_3Al(OH)_6$

Learn more about amphoteric oxides:

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