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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
Give a balanced chemical equation for 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.
Give two chemical equations for the following:
Nitric acid showing as acidic character.
Name the Following:
Gas obtained by treating manganese with 1% nirtric acid.
What are the reactants required for Ostwald process and what are their sources?
Complete and balance the following equation :
HNO3 + FeSO4 + H2SO4 → ______________
Complete and balance the following equation:
Cu + HNO3 → NO2 + ________+ _________
Give reason for the following:
Commercial concentrated nitric acid is yellow in colour, but when it is dilute with water, it turns colourless.
Give one chemical test for nitric acid.
When nitric acid is prepared by the action of concentrated sulphuric acid on potassium nitrate. what is the special feature of the apparatus used?
Write the equation for the laboratory preparation of nitric acid from potassium nitrate and concentrated sulphuric acid.
