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प्रश्न
What is passive iron?
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उत्तर
Iron becomes inert when reacted with nitric acid due to the formation of an extremely thin layer of insoluble metallic oxide, which stops the reaction.
\[\ce{Fe + 6HNO3 -> Fe(NO3)3 + 3H2O + 3NO2}\]
संबंधित प्रश्न
Explain the following:
Dilute nitric acid is generally considered a typical acid but not so in its reaction with metals.
Name the products formed when carbon and conc. nitric acid is heated.
How will you prepare the following from nitric acid?
Sodium nitrate
How will you prepare the following from nitric acid?
copper nitrate
How will you prepare the following from nitric acid?
Lead nitrate
Explain with the help of a balanced equation, the brown ring test for nitric acid.
What do you observe when?
Scrap zinc is heated with conc. HNO3?
Complete and balance the following equation :
FeSO4 + NO + H2O → ______________
Name the product, catalyst and approximate temperature maintained in Ostwald's process. How is the temperature maintained in the Ostwald's process?
What happens when
Common salt solution is added to silver nitrate solution and NH3 solution add to it.
