Question

Choose the correct word from the bracket to complete the sentence.

Sodium nitrate on reaction with ___ (concentrated/dilute) sulphuric acid produces nitric acid.

Answer 1

• Nitric acid($\mathit{H}\mathit{N}{\mathit{O}}_{\mathbf{3}}$) is produced by the reaction of concentrated Sulfuric acid(${\mathit{H}}_{\mathbf{2}}\mathit{S}{\mathit{O}}_{\mathbf{4}}$) and Sodium nitrate($\mathit{N}\mathit{a}\mathit{N}{\mathit{O}}_{\mathbf{3}}$).
• The equation for the reaction is, $\underset{Sodiumnitrate}{2NaN{O}_3\left(s\right)}+\underset{Sulfuricacid}{H_{2}S{O}_4\left(l\right)}\to \underset{Sodiumsulfate}{N{a}_{2}S{O}_4\left(s\right)}+\underset{Nitricacid}{2HN{O}_3\left(l\right)}$
• So, Sodium nitrate reacts with concentrated Sulfuric acid to form Nitric acid.