Advertisements
Advertisements
प्रश्न
What would you see, when a crystal of CuSO4.5H2O is placed in concentrated sulphuric acid? Give reason to explain your observation.
Advertisements
उत्तर
When crystals of CuSO4.5H2O is placed in concentrated sulphuric acid, it removes the water of crystallization of hydrated salt and renders them anhydrous. Its colour change to white.
APPEARS IN
संबंधित प्रश्न
The acid which is used in the preparation of a volatile acid
Define the following term : Dehydrating agent
Describe the reaction that show
Concentrated sulphuric acid is a dehydrating agent.
Choose the current answer from the options given below :
The catalyst used for the oxidation of SO2 to SO3 in contact process is
Write balanced equation for the reaction of dilute sulphuric acid with the following:
Zinc hydroxide
Write balanced equation for potassium hydrogen carbonate and dilute sulphuric acid.
State your observation for the following case:
Paper soaked in potassium permanganate solution is introduced into a gas jar of sulphur dioxide.
Write the observation for the following:
Decomposition of bicarbonates by dil. H2SO4.
\[\ce{2NaHCO3 + H2SO4 -> Na2SO4 + 2H2O + 2CO2}\]
Name the anion present in the following compound:
Compound D, when warmed with dilute sulphuric acid, gives a gas that turns acidified dichromate solution green.
Hydrogen chloride gas is prepared in the laboratory by the action of concentrated sulphuric acid on sodium chloride.
State the method of collection of the gas formed above.
