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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.
\[\ce{Fe + 6HNO3 -> Fe(NO3)3 + 3H2O + 3NO2}\]
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संबंधित प्रश्न
Ammonia is used in the Ostwald process.
What is the ratio of ammonia and air taken in this process?
Write a balanced equation and name the products formed when cupric oxide reacts with nitric acid.
The nitrate salt which does not give a mixture of NO2 and O2 on heating is ______.
Describe the Ostwald's process for the manufacture of nitric acid with labeled diagram.
Brown ring disappear if the test tube is disturbed.
Write balanced equation and name the product formed when :
Concentrated nitric acid is heated.
Write the balanced equation for the equation preparation of nitric acid from potassium nitrate.
Name (formula is not acceptable) the gas produced in the following reaction:
By the action of concentrated nitric acid on copper.
The first step in the manufacture of nitric acid is the catalytic oxidation of ammonia. What is the name of the catalyst?
Write the equation for the reaction of dilute nitric acid with copper.
