Advertisements
Advertisements
प्रश्न
Explain the following:
Concentrated nitric add appears yellow when it is left standing in a glass bottle.
Advertisements
उत्तर
Although pure concentrated nitric acid is colorless, it appears yellow when left standing in a glass bottle due to the dissolution of reddish brown nitrogen dioxide gas in the acid. Nitrogen dioxide is produced because of the thermal decomposition of a portion of nitric acid.
4HNO3 → 2H2O + 4NO2 + O2
APPEARS IN
संबंधित प्रश्न
Ammonia is used in the Ostwald process.
Name the catalyst used in the process.
Write a balanced equation and name the products formed when cupric oxide reacts with nitric acid.
Name a solution which absorbs nitric oxide.
Mention three important uses of nitric acid. Give the property of nitric acid involved in the use.
What is meant by the following term?
Fuming nitric acid
In which ratio reactants are taken in Ostwald process?
Complete and balance the following equation :
FeSO4 + NO + H2O → ______________
Give two chemical tests to distinguish between dilute nitric acid and hydrochloric acid.
Fill in the blank with appropriate word/words.
Ammonal is a mixture of ________ and __________
What is the property of nitric acid which allows it to react with copper?
