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The p-Block Elements — Chemistry STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceChemistryThe p-Block Elements1 Mark
MCQ
Which reaction of ammonia forms the first step of Ostwald's process?
  • ✓
    The catalytic oxidation of ammonia by platinum catalyst.
  • B
    The catalytic oxidation of ammonia by cobalt catalyst.
  • C
    The catalytic reduction of ammonia by platinum catalyst.
  • D
    The oxidation of ammonia.
✓

Answer

Correct option: A.
The catalytic oxidation of ammonia by platinum catalyst.
The first step of Ostwald's process is the catalytic oxidation of ammonia by platinum catalyst for the formation of nitric acid.
$\text{NH}_3\text{O}_2\xrightarrow{\text{Pt}}\text{NO}+\text{H}_2\text{O}$

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