Advertisements
Advertisements
Question
Account for the yellow colour that appears in concentrated nitric acid when it is left standing in an ordinary glass bottle.
Advertisements
Solution
In a glass apparatus nitric acid gets decomposed by sunlight. Yellowish brown colour of nitric acid is due to the presence of nitrogen dioxide formed due to thermal decomposition of nitric acid.
APPEARS IN
RELATED QUESTIONS
Write a balanced chemical equation for the following:
Action of cold and dilute Nitric acid on Copper
Write a balanced equation and name the products formed when cupric oxide reacts with nitric acid.
Write a balanced equation and name the products formed when zinc reacts with dilute nitric acid.
Name the following :
Gas produced in air during lighting.
Give reason for the following:
Conc. Nitric acid renders iron passive.
Complete and balance the following equation :
SO2 + HNO3 → ______________
Complete and balance the following equation :
Fe + HNO3(conc.) → _____________
Write a balanced equation for the production of nitrogen dioxide using copper.
Write balanced equation for the reaction between nitrogen and oxygen, when lightning strikes.
What is the property of nitric acid which allows it to react with copper?
