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प्रश्न
In using sulphuric acid to prepare other acids, as mentioned above, which property of sulphuric acid is used ?
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उत्तर
Sulphuric acid is non-volatile. So when it is treated with salts of more volatile acids, and heated, concentrated sulphuric acid displaces the more volatile acids.
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संबंधित प्रश्न
Complete the following equations :
C + cons. H2SO4
Give reason for the following:
Concentrated sulphuric acid must be stored in airtight bottles.
How are the following conversion brought about? Give equation and condition:
Sulphur trioxide to oleum.
How are the following conversion brought about? Give equation and condition:
Aqueous lead nitrate to lead sulphate.
Fill in the blank with appropriate word/words :
For the reaction SO2 + O2⇌ SO3 + Heat, the favourable conditions are _________ and __________.
A, B, C and D summarise the properties of sulphuric acid depending on whether it is dilute or concentrated.
A = Typical acid property
B = Non-Volatile acid
C = Oxidising agent
D = Dehydrating agent
Choose the property (A, B, C or D) depending on which is relevant to each of the following :
(i) Preparation of hydrogen chloride gas
(ii) Preparation of copper sulphate from copper oxide
(iii) Action of cone, sulphuric acid on sulphur
Sulphuric acid is manufactured by the contact process.
Why H2SO4 is not obtained by directly reacting SO3 with water?
Write a balanced chemical equation:
When hot and concentrated sulphuric acid reacts with the NaOH.
Arrange the following as per the instruction given in the bracket:
Sulphuric acid, Phosphoric acid, Acetic acid (increasing order of number of replaceable H atoms per molecule).
Identify the following:
The element having electronic configuration 2, 8, 6.
