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प्रश्न
How are the following conversion brought about? Give equation and condition:
Aqueous lead nitrate to lead sulphate.
उत्तर
Aqueous lead nitrate to lead sulphate:
Dilute sulphuric acid when added to the aqueous solution of lead from their insoluble sulphates.
\[\ce{Pb(NO3)2 + H2SO4 -> PbSO4 v + 2HNO3}\]
APPEARS IN
संबंधित प्रश्न
Give reasons for the following:
Brisk effervescence is seen when oil of vitriol is added to sodium carbonate.
Copy and complete the following table:
| Column 1 Substance reacted with acid |
Column 2 Dilute or concentrated acid |
Column 3 Gas |
| Hydrogen | ||
| Carbon dioxide | ||
| Only chlorine |
Distinguish between the following pairs of compounds using the reagent given in the bracket.
Ferrous sulphate solution and ferric sulphate solution. (Using sodium hydroxide solution)
What would you observe in the following case?
100ml of 98% sulphuric acid is kept open.
How are the following conversion brought about? Give equation and condition:
Sulphur trioxide to oleum.
Some properties of sulphuric acid are listed below. Choose the property A, B, C or D which is responsible for the reaction (a) to (e). Some properties may be repeated.
A. Acid
B. Dehydrating agent
C. Non-volatile acid
D. Oxidizing agent
(a) \[\ce{C12H22O11 + nH2SO4 -> 12C + 11H2O + nH2SO4}\]
(b) \[\ce{S + 2H2SO4 -> 3SO2 + 2H2O}\]
(c) \[\ce{NaCl + 2H2SO4 -> NaHSO4 + HCl}\]
(d) \[\ce{CuO + 2H2SO4 -> CuSO4 + H2O}\]
(e) \[\ce{Na2CO3 + H2SO4 -> Na2SO4 + H2O + CO2}\]
Sulphuric acid is manufactured by the contact process.
Why \[\ce{H2SO4}\] is not obtained by directly reacting \[\ce{SO3}\] with water.
Write a balanced chemical equation when hot and concentrated sulphuric acid reacts with the following:
Copper
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).
What property of Sulphuric acid is exhibited in the following case?
In the preparation of HCI gas when it reacts with Sodium chloride.
