The Ostwald Process Is the Main Method for the Manufacture

question 28

Multiple Choice

The Ostwald process is the main method for the manufacture of nitric acid. In the first step of this process

• A) nitrogen and hydrogen react to form NH₃.
• B) ammonia is burned in O₂ to generate N₂ and H₂O.
• C) nitrogen and oxygen react to form NO₂.
• D) nitrogen and oxygen react to form NO.
• E) ammonia is burned with O₂ to generate NO and H₂O.

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Definitions:

Ka

An abbreviation for acid dissociation constant, a quantitative measure of the strength of an acid in solution, representing the equilibrium constant of its dissociation.

Conjugate Acid

A species formed by the reception of a proton (H+) by a base, related to its conjugate base by the difference of one hydrogen atom.

Ethanol

A two-carbon alcohol, commonly known as alcohol, with the chemical formula C2H5OH, used as a solvent, fuel, and in beverages.

Increasing Basicity

A qualitative term describing the trend or pattern observed as the basic character (ability to accept protons) of a series of compounds increases.