Question:
Reaction of NaNO\(_3\) and H\(_2\)SO\(_4\).
Reaction of NaNO\(_3\) and H\(_2\)SO\(_4\).
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Conc. H\(_2\)SO\(_4\) acts as a strong dehydrating acid to liberate HNO\(_3\).
Updated On: Oct 7, 2025
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Solution and Explanation
Step 1: Type of reaction.
When sodium nitrate is heated with concentrated sulphuric acid, nitric acid vapours are liberated.
Step 2: Balanced reaction.
\[ NaNO_3 + H_2SO_4 \xrightarrow{\Delta} NaHSO_4 + HNO_3 \uparrow \] Step 3: Conclusion.
This is the laboratory method of preparing nitric acid.
When sodium nitrate is heated with concentrated sulphuric acid, nitric acid vapours are liberated.
Step 2: Balanced reaction.
\[ NaNO_3 + H_2SO_4 \xrightarrow{\Delta} NaHSO_4 + HNO_3 \uparrow \] Step 3: Conclusion.
This is the laboratory method of preparing nitric acid.
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