Question

classify the following into acidic or basic acid. Na2O, SO2, MgO,CO2
Step by step explanation ​

Answer 1

Classification the following into acidic and basic oxides:

Na_2ONa

2

O is known as the basic oxide, MgO is a basic oxide, SO_2SO

2

is known as the acidic oxide and CO_2CO

2

is an acidic oxide.

Na_2ONa

2

O is considered as a basic oxide because when it reacts with a acid, it undergoes a neutralisation reaction.

The reaction ofNa_2ONa

2

O with water orH_2OH

2

O is given by

Na_2O + H_2O \rightarrow 2 NaOH.Na

2

O+H

2

O→2NaOH. .

The same is the case with the compound MgO which is also a basic oxide. Acid oxides like the SO_2SO

2

are the acid anhydrides of the compound sulfurous acid.

Its reaction with water is given by

SO_2 + H2O\rightarrow H_2SO_3.SO

2

+H2O→H

2

SO

3

.

Answer 2

Answer:

basic- Na2O and MgO  because when they react with an acid ,they undergoes neutralisation reaction.

acidic-SO2 and CO2 because they are the acid anhydrides of sulphurous acid and carbonic acid.

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