Advertisements
Advertisements
प्रश्न
What is passive iron?
Advertisements
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.
\[\ce{Fe + 6HNO3 -> Fe(NO3)3 + 3H2O + 3NO2}\]
APPEARS IN
संबंधित प्रश्न
Complete and balance the following equation :
C + HNO3 → ___________
Complete and balance the following equation :
HNO3 + FeSO4 + H2SO4 → ______________
Choose the correct answer from the option given below :
Nitric acid on standing develops brownish colour which may be attributed to the presence of :
What do you see when concentrated nitric acid is added to copper?
Name (formula is not acceptable) the gas produced in the following reaction:
By the action of concentrated nitric acid on copper.
Name the compounds required for the laboratory preparation of nitric acid.
Write the equation for the reaction:
Aluminum, Nitride and Water.
What would you observe in the following case:
Copper is heated with concentrated nitric acid in a hard glass test tube.
Explain the following :
An all glass apparatus is used in the laboratory preparation of nitric acid.
Lead nitrate decomposes on heating to give ______.
