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प्रश्न
Choose the correct answer from the option given below :
Nitric acid on standing develops brownish colour which may be attributed to the presence of :
विकल्प
\[\ce{No^{+}_{2}}\]
\[\ce{NO^{-}_{3}ions}\]
NO2
HNO2
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उत्तर
NO2
APPEARS IN
संबंधित प्रश्न
Mention three important uses of nitric acid. Give the property of nitric acid involved in the use.
Name the Following:
Gas obtained by treating manganese with 1% nirtric acid.
What is the purpose of Conc. H2SO4 in the above preparation?
What are the reactants required for Ostwald process and what are their sources?
Give reason for the following:
Nitric acid is used in purification of gold.
What do you observe when?
Scrap zinc is heated with conc. HNO3?
Why does pure nitric acid take on a yellowish brown colour when exposed to light?
Copy and complete the following table relating to important industrial processes output refers to the product of the process not the intermediate steps.
| Name of process | Inputs | Catalyst | Equation for catalysed reaction | Output |
| Haber process | Hydrogen + | |||
|
Ammonia + |
Nitric acid |
What would you observe in the following case:
Copper is heated with concentrated nitric acid in a hard glass test tube.
Explain the following:
Concentrated nitric acid appears yellow when it is left standing in a glass bottle.
