Chemistry - Salt Analysis Question with Solution | TestHub

Question Explanation:

When ${\mathrm{HNO}}_3$ is added to sodium ferrocyanide. What will be produced.

Concept: Test for nitrate ion.

Solution : ${\left[\mathrm{Fe}(\mathrm{CN}{)}_6\right]}^{4-}+{\mathrm{NO}}_3^{-}+4{\mathrm{H}}^{+}\to {\left[\mathrm{Fe}(\mathrm{CN}{)}_5(\mathrm{NO})\right]}^{2-}+{\mathrm{NH}}_4^{+}+{\mathrm{CO}}_2$

Final Answer : Option (D)