Advertisements
Advertisements
प्रश्न
Describe the reaction that show
Concentrated sulphuric acid is a dehydrating agent.
Advertisements
उत्तर
Concentrated sulphuric acid as dehydrating agent as it removes water of crystallization of hydrated salts and renders them anhydrous.
\[\ce{CuSO4.5H2O ->[H2SO4] CuSO4 + 5H2O}\]
APPEARS IN
संबंधित प्रश्न
Write balanced chemical equations to show how SO3 is converted to Sulphuric acid in the contact process.
State your observations when Concentrated Sulphuric acid is added to Sugar Crystals
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.
Why is water not added to concentrated H2SO4 in order to dilute it?
Define the following term : Dehydrating agent
Choose the current answer from the options given below :
When conc. H2SO4 comes in contact with sugar, it becomes black due to
Name the anion [negative ion] present in the following compound:
Compound D when warmed with dilute H2SO4 gives a gas which turns acidified potassium dichromate solution green.
Write the observation for the following:
Decomposition of bicarbonates by dil. H2SO4.
\[\ce{2NaHCO3 + H2SO4 -> Na2SO4 + 2H2O + 2CO2}\]
State two observations when
A few crystals of KNO3 are heated in a hard glass tube
Give two balanced reactions of the type to show the following property of sulphuric acid:
Dehydrating nature
