Advertisements
Advertisements
Question
Write the observation for the following:
Decomposition of bicarbonates by dil. H2SO4.
\[\ce{2NaHCO3 + H2SO4 -> Na2SO4 + 2H2O + 2CO2}\]
Advertisements
Solution
Brick effervescence is observed and colourless and odourless CO2 gas is evolved in this case.
RELATED QUESTIONS
Name the products formed when hot and concentrated sulphuric acid reacts with NaOH.
Why is concentrated sulphuric acid kept in air tight bottles?
Define the following term : Hygroscopic substance
Name the Following:
The property used to prepare HCl and HNO3 from H2SO4.
Give reason for the following:
When solution of sulphur dioxide is exposed to air, it gets converted to sulphuric acid.
Give reason for the following:
When concentrated sulphuric acid is exposed to air, its volume increases and it becomes slightly dilute.
What property of sulphuric acid is shown by the reaction of concentrated sulphuric acid when heated with :
(i) Potassium nitrate
(ii) carbon
Give balanced chemical equation to prepare the following salt:
Lead sulphate from lead carbonate
Name the acid formed when sulphur dioxide dissolves in water.
What property of Sulphuric acid is exhibited in the following case?
When concentrated Sulphuric acid reacts with Copper to produce Sulphur dioxide gas.
