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प्रश्न
Give reason for the following:
H2SO4 cannot be prepared by heating sodium sulphate with conc. HCl or HNO3
उत्तर
As sulphuric acid is non volatile, it is used to prepare volatile acids like HCl and HNO3. Thus these acids cannot be used to prepare sulphuric acid.
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संबंधित प्रश्न
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.
State the conditions required for the given reaction to take place:
Any two conditions for the conversion of sulphur dioxide to sulphur trioxide
Define the following term : Hygroscopic substance
Name the following:
Products obtained by treating ferrous sulphide with dilute sulphuric acid.
Name the following :
The precipitate obtained by treating aqueous lead nitrate with dilute sulphuric acid.
Why is sulphuric acid known as king of chemicals and oil vitriol ?
Write the equation of the following reaction:
Sulphur is heated with concentrated sulphuric acid
Concentrated sulphuric acid is both an oxidizing agent and a non-volatile acid. Write one equation each to illustrate the properties of sulphuric acid mentioned above.
Identify the salts P and Q from the observation given below:
On performing the flame test salt P produces a lilac coloured flame and its solution gives a white precipitate with silver nitrate solution. Which is soluble in ammonium hydroxide solution.
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.
