Advertisements
Advertisements
Question
The nitrate salt which does not give a mixture of NO2 and O2 on heating is ______.
Options
AgNO3
KNO3
Cu(NO3)2
Zn(NO3)2
Advertisements
Solution
The nitrate salt which does not give a mixture of NO2 and O2 on heating is KNO3.
Explanation:
When heated, alkali metal nitrates, such potassium or sodium nitrates, melt and transform into colourless liquids that break down to release oxygen gas.
\[\ce{2KNO3->[Δ][]2KNO2 + O2↑}\]
RELATED QUESTIONS
Name the gas evolved when the following mixtures are heated.
Sodium Nitrite and Ammonium Chloride
Give two chemical equations for the following:
Nitric acid showing as acidic character.
Give the chemical name and formula of the substance formed as a brown ring in the test for nitrate radical.
Name the Following:
Gas obtained by treating manganese with 1% nirtric acid.
How can 68% nitric acid be concentrated to 98% nitric acid?
What happen when (Given balanced equation):
Nitric acid is added to washing soda and the resulting gas is passed through a freshly prepared lime water?
Give reason for the following:
In the laboratory preparation of nitric acid, the mixture of concentrated sulphuric acid and sodium nitatre should not be heated very strongly, above 200°C
The first step in the manufacture of nitric acid is the catalytic oxidation of ammonia. What is the name of the catalyst?
Write a chemical equation to illustrate the acidic nature of nitric acid.
Explain the following:
Dilute nitric acid is generally considered a typical acid but not so in its reaction with metals.
