The Ostwald process for the commercial production of nitric...

The Ostwald process for the commercial production of nitric acid involves the following three steps: $$\begin{aligned}4 \mathrm{NH}_{3}(g)+5 \mathrm{O}_{2}(g) & \longrightarrow 4 \mathrm{NO}(g)+6 \mathrm{H}_{2} \mathrm{O}(g) \\ 2 \mathrm{NO}(g)+\mathrm{O}_{2}(g) & \longrightarrow 2 \mathrm{NO}_{2}(g) \\ 3 \mathrm{NO}_{2}(g)+\mathrm{H}_{2} \mathrm{O}(l) & \longrightarrow 2 \mathrm{HNO}_{3}(a q)+\mathrm{NO}(g) \end{aligned}$$ a. Which reactions in the Ostwald process are oxidationreduction reactions? b. Identify each oxidizing agent and reducing agent.

The Ostwald process for the commercial production of nitric acid involves the following three steps:
$$\begin{aligned}4 \mathrm{NH}_{3}(g)+5 \mathrm{O}_{2}(g) & \longrightarrow 4 \mathrm{NO}(g)+6 \mathrm{H}_{2} \mathrm{O}(g) \\
2 \mathrm{NO}(g)+\mathrm{O}_{2}(g) & \longrightarrow 2 \mathrm{NO}_{2}(g) \\
3 \mathrm{NO}_{2}(g)+\mathrm{H}_{2} \mathrm{O}(l) & \longrightarrow 2 \mathrm{HNO}_{3}(a q)+\mathrm{NO}(g)
\end{aligned}$$
a. Which reactions in the Ostwald process are oxidationreduction reactions?
b. Identify each oxidizing agent and reducing agent.

Key Concepts

Reducing Agent

A reducing agent is a substance that donates electrons, thereby causing another substance to be reduced as it itself becomes oxidized. Recognizing reducing agents is fundamental when analyzing redox reactions, as it clarifies which reactant is responsible for the electron donation, making it crucial for understanding reaction mechanisms.

Disproportionation Reaction

A disproportionation reaction is a special type of redox reaction in which a single substance undergoes both oxidation and reduction simultaneously. This concept is important when dealing with reactions where the same species is transformed into two different products with different oxidation states, illustrating the concurrent electron donation and acceptance within a single reaction.

Oxidation–Reduction (Redox) Reactions

Redox reactions are chemical processes in which electrons are transferred between species, causing changes in their oxidation states. A thorough understanding of these reactions involves tracking the flow of electrons and determining which species are oxidized (lose electrons) and which are reduced (gain electrons). These concepts are essential for analyzing and balancing reactions in both laboratory and industrial settings.

Oxidizing Agent

An oxidizing agent is a substance that facilitates oxidation by accepting electrons from another species, causing that species to be oxidized while the oxidizing agent itself is reduced. This concept is critical in redox chemistry because it helps determine the direction of electron transfer and the roles of various reactants in industrial processes.

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