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प्रश्न
How are the following conversion brought about? Give equation and condition:
Aqueous lead nitrate to lead sulphate.
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उत्तर
Aqueous lead nitrate to lead sulphate:
Dilute sulphuric acid when added to the aqueous solution of lead from their insoluble sulphates.
\[\ce{Pb(NO3)2 + H2SO4 -> PbSO4 v + 2HNO3}\]
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संबंधित प्रश्न
What would you observe in the following case?
Sulphur trioxide is dissolved in water on a large scale.
Give reason for the following:
In the contact process, sulphur dioxide is dissolved in 98% sulphuric acid and not in water.
How are the following conversions brought about? Give equation and condition:
Sulphur trioxide to sulphur acid.
Give examples of the use of sulphuric acid as
An electrolyte in everyday use
Write a balanced chemical equation:
When hot and concentrated sulphuric acid reacts with the NaOH.
Write a balanced chemical equation:
When hot and concentrated sulphuric acid reacts with the copper.
Some properties of sulphuric acid are listed below. Choose the property A, B, C or D which is responsible for the reactions (i) to (v). Some properties may be repeated:
- Typical acid
- Dehydrating agent
- Non-volatile acid
- Oxidizing agent
- \[\ce{C12H22O11 + nH2SO4 -> 12C + 11H2O + nH2SO4}\]
- \[\ce{S + 2H2SO4 -> 3SO2 + 2H2O}\]
- \[\ce{NaCl + H2SO4 -> NaHSO4 + HCl}\]
- \[\ce{CuO + H2SO4 -> CuSO4 + H2O}\]
- \[\ce{Na2CO3 + H2SO4 -> Na2SO4 + H2O + CO2}\]
The following is the typical property of dilute acid. Complete it by inserting suitable words:
\[\ce{Carbonate/hydrogen carbonate + Acid -> \underline{\phantom{.......}} + \underline{\phantom{.......}} + \underline{\phantom{.......}}}\]
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.
