NEETChemistryp Block Elements (Group 15, 16, 17 & 18)
What causes the formation of a brown ring in the Brown Ring Test?
Options
- AThe reaction of nitrate ions with ferrous ions (Fe2+)
- BThe reaction of nitric oxide with ferrous ions (Fe2+)
- CThe reaction of sulfuric acid with water
- DThe reduction of ferrous ions (Fe2+) to ferric ions (Fe3+)
Correct answer
A. The reaction of nitrate ions with ferrous ions (Fe2+)
Step-by-step solution
The paragraph describes that in the Brown Ring Test, the brown ring is formed by the reaction of nitrate ions with ferrous ions (Fe2+).