Question

Give two examples each of the following oxides –
a] Acidic oxides
b] Basic oxides
c] Amphoteric oxides
d] Neutral oxides.
State which of the following oxides i.e. a] to d]
i] React with water to give a base ii] React with a base to give salt & water iii] React with acids & bases to give salt & water

Answer 1

Hint: We know that oxygen is a very reactive element and when it reacts with different elements (metals, nonmetals and metalloids) an oxide is formed. Oxides can be of different types such as acidic oxides, basic oxides, amphoteric oxides and neutral oxides. So, now we will see their reactions with acids, bases and water.

Complete answer:
So, as we know that oxygen when reacts with different elements, it forms oxide. Oxides can be of different types such as acidic oxides, basic oxides, amphoteric oxides and neutral oxides. Non-metal oxides are acidic in nature and metal oxides are basic in nature. Metalloid oxides are amphoteric in nature.
Examples of different oxides are:
a] Acidic oxides: $S{O}_2,C{O}_2,N{O}_2$
b] Basic oxides: $N{a}_{2}O,K_{2}O$
c] Amphoteric oxides: $ZnO,PbO,A{l}_2{O}_3$
d] Neutral oxides: $NO,CO,N_{2}O$
Now, we will answer the above questions as follows:
i] Basic oxides react with water to give a base.
ii] Acidic oxides react with a base to give salt and water.
iii] Amphoteric oxides react with acids and bases to give salt and water.

Note:
Amphoteric oxides are those which show properties of both acidic oxides and basic oxides. Hence, it can react with acids and bases both to give salt and water. Therefore, every oxide has different chemical properties according to the metal, metalloids or non-metal that is present in the oxide.