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.
APPEARS IN
RELATED QUESTIONS
A, B, C, and D summarize the properties of sulphuric acid depending on whether it is dilute or concentrated.
A = Typical acid property
B = Non volatile acid
C = Oxidizing agent
D = Dehydrating agent
Choose the property (A, B, C or D) depending on which is relevant to each of the following
1) Preparation of Hydrogen chloride gas
2) Preparation of Copper sulphate from copper oxide.
3) An action of conc. Sulphuric acid on Sulphur.
The acid which is used in the preparation of a volatile acid
Quicklime is not used to dry HCl gas because _____.
Distinguish between the given pair of compounds using the test given within brackets:
Sodium nitrate and sodium sulphite (using dilute sulphuric acid).
Which property of sulphuric acid is shown by the reaction of the concentrated sulphuric acid with carbon?
Give reason for the following:
When concentrated sulphuric acid is exposed to air, its volume increases and it becomes slightly dilute.
Give reason for the following:
Ammonia gas cannot be dried by passing through concentrated sulphuric acid.
What do you observe when barium chloride solution is added to dilute sulphuric acid ?
Write the equation for the laboratory preparation of the following salts, using sulphuric acid.
Iron (II) sulphate from iron.
Write the equation for the laboratory preparation of the following salts, using sulphuric acid.
Lead sulphate from lead nitrate.
