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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
Explain the following:
Concentrated nitric add appears yellow when it is left standing in a glass bottle.
Mention three important uses of nitric acid. Give the property of nitric acid involved in the use.
Name the Following:
Two coloured nitrates.
Why is the temperature maintained at 200°C in the above reaction?
Write balanced equation and name the product formed when :
Zinc reacts with dilute nitric acid.
Write balanced equation and name the product formed when :
Concentrated nitric acid is heated.
Name the compounds required for the laboratory preparation of nitric acid.
Explain the following:
Dilute nitric acid is generally considered a typical acid but not so in its reaction with metals.
Write a balanced equation for following :
Reaction of ammonia with nitric acid
Give a balanced equation for the following reaction:
Copper reacts with concentrated nitric acid.
