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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:
Dilute nitric acid is generally considered a typical acid but not so in its reaction with metals.
Write an equation for the following conversions A, B, C and D.
Name a metal nitrate which on heating is changed into metal.
Name the Following:
Two coloured nitrates.
Choose the correct answer from the option given below :
When treated with nitric acid which of the following liberate hydrogen?
Complete and balance the following equation:
Cu + HNO3 → NO2 + ________+ _________
Name (formula is not acceptable) the gas produced in the following reaction:
On warming ammonium sulphate with sodium hydroxide solution.
Write the equation for the reaction of dilute nitric acid with copper.
Write a balanced equation for following :
Reaction of ammonia with nitric acid
A dilute acid B does not normally give hydrogen when reacted with metals but does give a gas when it reacts with copper. Identify B. Write the equation with copper.
