identify the type of reaction that occurs between potassium carbonate and nitric acid

Ah, the harmonious union of potassium carbonate and nitric acid! This lovely duo engages in a classic dance known as a double displacement reaction. In this captivating performance, the potassium ions from potassium carbonate swap partners with the nitrate ions from nitric acid, resulting in the formation of potassium nitrate and carbonic acid. Don't worry, though, carbonic acid isn't much of a showstopper—it quickly decomposes into water and carbon dioxide, leaving us with a delightful finale!

The reaction between potassium carbonate (K2CO3) and nitric acid (HNO3) is a double displacement reaction, also known as a metathesis reaction or a precipitation reaction. In this reaction, the positive ions of the two compounds switch places to form new compounds.

To identify the type of reaction that occurs between potassium carbonate (K2CO3) and nitric acid (HNO3), we need to examine the chemical formulas and reactants involved.

The chemical equation for the reaction between potassium carbonate and nitric acid is:

K2CO3 + 2HNO3 → 2KNO3 + CO2 + H2O

From the equation, we can see that potassium carbonate (K2CO3) reacts with nitric acid (HNO3) to produce potassium nitrate (KNO3), carbon dioxide (CO2), and water (H2O).

Based on the reactants and products involved, we can determine that this is a double displacement reaction, also known as a precipitation reaction or an acid-base reaction.

In a double displacement reaction, the positive ions of two different compounds switch places, resulting in the formation of two new compounds. In this case, the potassium ion (K+) from the potassium carbonate combines with the nitrate ion (NO3-) from the nitric acid, forming potassium nitrate (KNO3). The carbonate ion (CO3^2-) from the potassium carbonate combines with the hydrogen ion (H+) from the nitric acid, forming carbon dioxide (CO2) and water (H2O).

Overall, the reaction can be classified as a double displacement reaction between potassium carbonate and nitric acid.

K2CO3 + 2HNO3 --> 2KNO3 + H2CO3 then the H2CO3 decomposes as

H2CO3 --> H2O + CO2
I would name that first reaction as double replacement.(some call it double displacement).
Usually this reaction is written all at once as K2CO3 + 2HNO3 ==> 2KNO3 + H2O + CO2 and that makes it a little harder to see it is a double displacement reaction. It could also be called an acid/base reaction. As such the net reaction is
CO3^2- + 2H^+ ==> H2CO3 ==> H2O + CO2