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प्रश्न
Give reason for the following:
In the contact process, sulphur dioxide is dissolved in 98% sulphuric acid and not in water.
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उत्तर
In contant process sulphur trioxide formed is dissolved in sulphuric acid and not water because sulphur trioxide when directly dissolved in water gives highly exothermic reaction.
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संबंधित प्रश्न
Name the following:
Solution obtained by dissolving sulphur trioxide in 98% sulphuric acid.
What would you observe in the following case?
100ml of 98% sulphuric acid is kept open.
Give reason for the following:
Concentrated sulphuric acid must be stored in airtight bottles.
How are the following conversions brought about? Give equation and condition:
Sulphur trioxide to sulphur acid.
Name the following:
A sulphate insoluble in water.
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
- \[\ce{C12H22O11 + nH2SO4 -> 12C + 11H2O + nH2SO4}\]
- \[\ce{S + 2H2SO4 -> 3SO2 + 2H2O}\]
- \[\ce{NaCl + H2SO4 -> NaHSO4 + HCl}\]
- \[\ce{CuO + H2SO4 -> CuSO4 + H2O}\]
- \[\ce{Na2CO3 + H2SO4 -> Na2SO4 + H2O + CO2}\]
Which property of sulphuric acid accounts for its use as a dehydrating agent?
The following is the typical property of dilute acid. Complete it by inserting suitable words:
\[\ce{Base + Acid -> \underline{\phantom{.......}} + \underline{\phantom{.......}}}\]
The following is the typical property of dilute acid. Complete it by inserting suitable words:
\[\ce{Carbonate/hydrogen carbonate + Acid -> \underline{\phantom{.......}} + \underline{\phantom{.......}} + \underline{\phantom{.......}}}\]
The following is the typical property of dilute acid. Complete it by inserting suitable words:
\[\ce{Sulphide + Acid -> \underline{\phantom{.......}} + \underline{\phantom{.......}}}\]
