Advertisements
Advertisements
Question
Choose the correct answer from the option given below :
Nitric acid on standing develops brownish colour which may be attributed to the presence of :
Options
\[\ce{No^{+}_{2}}\]
\[\ce{NO^{-}_{3}ions}\]
NO2
HNO2
Advertisements
Solution
NO2
APPEARS IN
RELATED QUESTIONS
Explain the following:
An all-glass apparatus is used in the laboratory preparation of nitric acid.
Name the products formed when carbon and conc. nitric acid is heated.
Ammonia is used in the Ostwald process.
What is the ratio of ammonia and air taken in this process?
Mention three important uses of nitric acid. Give the property of nitric acid involved in the use.
How is nitric acid prepared in laboratory?
Give reason for the following:
Conc. Nitric acid renders iron passive.
What happens when (Given balanced equation) :
Sulphar is added to hot and conc. HNO3?
Choose the correct answer from the option given below:
The catalyst used in the manufacture of HNO3 by Ostwald process is
Name (formula is not acceptable) the gas produced in the following reaction:
On warming ammonium sulphate with sodium hydroxide solution.
The figure given below illustrates the apparatus used in the laboratory preparation of nitric acid:
(i) Name A (a liquid), B( a Solid) and C(a liquid).
(ii) write the balanced chemical equation to show how nitric acid undergoes decomposition.
(iii) Write the balanced chemical equation for the reaction in which copper is oxidized by concentrated nitric acid.
